Who is More Prone to Psoriasis? Unpacking the Genetic and Environmental Factors

When you first notice those tell-tale silvery scales and angry red patches appearing on your skin, a torrent of questions likely floods your mind. Among the most pressing is, “Who is more prone to psoriasis?” It’s a question that touches on personal genetics, lifestyle, and even a bit of bad luck. I remember my own journey, the initial confusion turning into a persistent concern, and the deep dive into understanding why my body seemed to be reacting this way. Psoriasis isn’t just a cosmetic issue; it’s an autoimmune condition that can significantly impact one’s quality of life. Understanding who is more susceptible can empower individuals with knowledge and potentially lead to earlier recognition and more effective management strategies. So, let’s get right to it: the answer to who is more prone to psoriasis isn’t a single demographic, but rather a complex interplay of factors, with genetics playing a starring role, but environmental triggers and lifestyle choices also holding significant sway.

The Genetic Predisposition: Is it in Your DNA?

One of the most significant answers to who is more prone to psoriasis lies deeply within our genetic makeup. It’s estimated that a substantial portion of individuals with psoriasis have a family history of the condition. This isn’t to say that if your parents have it, you’re guaranteed to develop it, or if they don’t, you’re completely in the clear. However, having a close relative – a parent or sibling – with psoriasis demonstrably increases your risk. This hereditary link is so strong that it’s often one of the first clues healthcare professionals look for.

The science behind this genetic link is complex. Psoriasis isn’t caused by a single gene. Instead, it’s considered a polygenic disorder, meaning that multiple genes, each with a smaller effect, contribute to an individual’s susceptibility. Researchers have identified numerous genetic loci, or specific locations on chromosomes, that are associated with an increased risk of developing psoriasis. Some of these genes are involved in the immune system’s function, particularly in regulating T-cells, which are crucial players in the inflammatory cascade that characterizes psoriasis. Other genes are linked to skin cell growth and differentiation.

For instance, certain Human Leukocyte Antigen (HLA) genes, like HLA-Cw*0602, have been consistently associated with a higher risk of developing psoriasis, particularly certain types like plaque psoriasis. These HLA genes are part of the body’s immune system, and variations in them can influence how the immune system recognizes and responds to different stimuli. When these genes are ‘set’ in a certain way, the immune system might be more prone to mistakenly attacking healthy skin cells, triggering the inflammation and rapid skin cell turnover characteristic of psoriasis.

It’s also worth noting that the inheritance pattern isn’t straightforward. You might inherit the genetic predisposition from a grandparent, even if your parents don’t have psoriasis. This is because the genes can be passed down through generations, and the actual manifestation of the disease can depend on the combination of genes inherited and the presence of environmental triggers. Think of it like inheriting a predisposition to, say, high cholesterol; you might carry the genes, but your diet and lifestyle ultimately play a huge role in whether you develop heart disease.

Understanding Genetic Risk Factors

To further clarify who is more prone to psoriasis from a genetic standpoint, consider these points:

Family History: This is arguably the most significant indicator. If you have one parent with psoriasis, your risk can be around 3% to 9%. If both parents have psoriasis, that risk can jump significantly, possibly to 15% or even higher. Having a sibling with psoriasis also increases your risk compared to the general population.
Specific Gene Variants: While we’re still uncovering the full picture, certain genetic variants have been more strongly linked to psoriasis. The HLA-Cw*0602 allele is a prime example, particularly in individuals of European descent. Research continues to identify other genes involved in immune regulation and skin barrier function that contribute to susceptibility.
Race and Ethnicity: While psoriasis can affect people of all races and ethnicities, there are some observed differences in prevalence. Historically, some studies have suggested higher rates in individuals of European descent, though this is a broad generalization and doesn’t account for individual genetic variations within these groups. It’s crucial to remember that psoriasis is a global disease, and focusing solely on race can be misleading. The underlying genetic variations are more pertinent than broad ethnic categories.

It’s important to remember that genetics loads the gun, but environment often pulls the trigger. Having the genes doesn’t automatically mean you’ll get psoriasis. It means you have a higher susceptibility, and certain external factors can then activate the disease process.

Environmental Triggers: The Catalysts for Psoriasis

Even with a strong genetic predisposition, many individuals never develop psoriasis. This highlights the crucial role of environmental factors, or triggers, in “activating” the disease. For those who are genetically susceptible, certain external events can set off the immune system’s misguided attack on the skin. Identifying these triggers is key to understanding who is more prone to psoriasis and how its onset or flares can potentially be managed.

One of the most commonly cited environmental triggers is **stress**. It’s a well-known phenomenon that significant emotional or physical stress can precipitate or worsen psoriasis. The connection is thought to be through the body’s stress response system, which involves hormones like cortisol. Chronic stress can dysregulate the immune system, making it more likely to overreact. I’ve personally experienced how intense periods of work or personal upheaval can lead to visible flare-ups, reinforcing this connection in my own life. It’s almost as if the body’s defense system, on high alert, starts to misfire.

Another significant category of triggers involves **infections**. Certain bacterial and viral infections have been strongly linked to the development of specific types of psoriasis. The most notable is guttate psoriasis, which often appears suddenly after a streptococcal throat infection. This form is characterized by small, droplet-like red lesions. The immune system’s response to the infection, particularly the inflammatory signals generated to fight the bacteria, can somehow cross-react with skin cells in genetically predisposed individuals, leading to psoriasis. Other infections, like those affecting the tonsils or even viral illnesses, have also been implicated.

Lifestyle choices also play a considerable role. **Smoking** is a major risk factor. Studies have consistently shown that smokers are more likely to develop psoriasis, and among those who have it, their disease is often more severe and harder to treat. The exact mechanisms are still being researched, but it’s believed that the chemicals in cigarette smoke can alter immune responses and promote inflammation throughout the body. Similarly, **heavy alcohol consumption** has been linked to an increased risk of psoriasis, particularly in men. Alcohol can dehydrate the skin, affect the immune system, and interfere with the effectiveness of certain psoriasis medications.

Certain **medications** can also act as triggers. Some drugs used to treat other conditions have been known to either cause psoriasis to appear for the first time or to cause a flare-up in existing psoriasis. These include:

Beta-blockers: Often used for high blood pressure and heart conditions.
Lithium: Used to treat bipolar disorder.
Antimalarial drugs: Such as hydroxychloroquine.
Certain nonsteroidal anti-inflammatory drugs (NSAIDs): Though the effect is less common.
Interferon: Used in some cancer treatments.

It’s crucial for individuals with a history of psoriasis, or those with a strong family history, to discuss potential medication risks with their doctor before starting any new treatment.

**Skin injury** – a phenomenon known as the Koebner phenomenon – can also provoke psoriasis in susceptible individuals. If the skin is scratched, cut, burned, or even subjected to prolonged pressure, new psoriatic lesions can develop along the lines of the injury. This demonstrates how the skin’s inflammatory response can be locally triggered in a way that leads to psoriasis manifestation.

Common Environmental Triggers to Be Aware Of

Stress: Both emotional and physical.
Infections: Especially streptococcal infections (strep throat).
Smoking: A significant and often avoidable risk factor.
Alcohol Consumption: Particularly heavy drinking.
Certain Medications: As listed above.
Skin Trauma: Cuts, scrapes, sunburns, and even tight clothing.
Weather Changes: Cold, dry weather can often exacerbate psoriasis for some individuals.
Diet: While not a universally proven trigger, some people report that certain foods can worsen their psoriasis, suggesting a potential role for diet in inflammation.

Recognizing these triggers isn’t about assigning blame; it’s about gaining control. By understanding what might set off psoriasis, individuals can make informed lifestyle choices and work with their healthcare providers to mitigate these risks.

Demographic Factors and Psoriasis: Who Else is at Higher Risk?

Beyond genetics and environmental factors, certain demographic characteristics can also influence who is more prone to psoriasis, or at least how it presents. While psoriasis is a universal disease affecting people of all ages, genders, and socioeconomic backgrounds, some patterns have been observed.

Age of Onset

Psoriasis typically has two main age peaks for onset:

Early Onset: The first peak often occurs between the ages of 15 and 35. Individuals in this age group might have a stronger genetic component driving their psoriasis.
Late Onset: A second peak generally appears between the ages of 50 and 60. This later onset might be more influenced by cumulative environmental exposures or other age-related changes in the body.

It is possible to develop psoriasis at any age, including in infancy or very old age, but these two periods represent the most common times for initial diagnosis.

Gender Differences

For the most part, psoriasis affects men and women relatively equally. However, there are some subtle differences:

Prevalence: While overall prevalence is similar, some studies have suggested slightly higher rates in women, particularly for certain types of psoriasis or at certain life stages.
Severity and Presentation: Some research indicates that men might experience more severe forms of psoriasis or have a higher likelihood of developing psoriatic arthritis. Conversely, women might be more prone to certain types of psoriasis that affect the scalp and nails. These observations are not definitive and can vary widely among individuals.

It’s essential to emphasize that these are general observations, and individual experiences can differ greatly. The hormonal fluctuations that women experience throughout their lives (menstruation, pregnancy, menopause) can sometimes influence psoriasis symptoms, potentially leading to flares or periods of remission.

Socioeconomic Status

The link between socioeconomic status and psoriasis is complex and likely multifactorial. Individuals in lower socioeconomic groups may face:

Higher Stress Levels: Financial strain, job insecurity, and other socioeconomic stressors can trigger or worsen psoriasis.
Limited Access to Healthcare: Delayed diagnosis and treatment can lead to more severe or persistent disease.
Unhealthy Lifestyle Habits: Factors like poor diet, smoking, and limited opportunities for physical activity can be more prevalent in certain socioeconomic strata, all of which can impact psoriasis.
Environmental Exposures: Living in areas with higher pollution or inadequate housing conditions could potentially play a role, though this is less well-established for psoriasis specifically.

Therefore, while not a direct cause, socioeconomic factors can indirectly contribute to who is more prone to developing or experiencing more difficult-to-manage psoriasis.

Geographic Location and Climate

While psoriasis is found globally, certain environmental conditions can influence its presentation and severity for some individuals. Cold, dry climates are often reported to worsen psoriasis symptoms due to the drying effect on the skin, which can lead to increased itching and inflammation. Conversely, sunny, humid climates can sometimes be beneficial for psoriasis, possibly due to the effects of sunlight (UV radiation) and increased skin hydration. However, it’s crucial to note that excessive sun exposure can also be harmful and is not a recommended treatment without medical guidance. The impact of geography is often intertwined with lifestyle and access to care.

It’s important to reiterate that these demographic observations are broad trends. The fundamental answer to who is more prone to psoriasis always circles back to an individual’s unique genetic blueprint and their personal exposure to environmental triggers.

Understanding Psoriasis Types and Their Prevalence

The question of “who is more prone to psoriasis” also benefits from understanding the different types of psoriasis, as their prevalence and associated risk factors can vary. While plaque psoriasis is the most common, other forms affect different individuals and may have distinct triggers.

Plaque Psoriasis (Psoriasis Vulgaris)

This is the most common form, affecting about 80-90% of people with psoriasis. It typically appears as raised, red patches covered with silvery-white scales. Plaques can be itchy and sore and may appear on the elbows, knees, scalp, and lower back. Individuals with a strong family history and those exposed to common triggers like stress and infections are particularly prone to this type.

Guttate Psoriasis

Characterized by small, drop-shaped red spots, guttate psoriasis often appears suddenly, typically after a bacterial infection, most commonly streptococcal pharyngitis (strep throat). It’s more common in children and young adults. So, in this context, individuals who experience frequent throat infections might be considered more prone to this specific type.

Inverse Psoriasis

This type affects the skin folds, such as in the armpits, groin, under the breasts, and around the buttocks. It appears as smooth, red, shiny lesions that are often inflamed and can be difficult to keep dry. It is more common in individuals who are overweight and in areas prone to moisture and friction.

Pustular Psoriasis

This is a rarer and more severe form. It’s characterized by pus-filled blisters (pustules) surrounded by red skin. It can occur in localized areas (like the hands and feet) or be widespread. There are generalized and localized forms, and pustular psoriasis can sometimes be triggered by medications, infections, or withdrawal from certain psoriasis treatments. Individuals experiencing certain medical events or on specific medications might be considered more prone to this type.

Erythrodermic Psoriasis

This is the least common but most severe form of psoriasis. It affects almost the entire body surface with a widespread, fiery redness. It can be accompanied by intense itching, peeling, and pain. Erythrodermic psoriasis is often a medical emergency, as it can lead to severe illness due to fluid loss, temperature regulation problems, and increased risk of infection. It can be triggered by severe sunburn, withdrawal from systemic psoriasis medications, or severe emotional stress. Individuals who have had severe, widespread skin inflammation in the past might be more prone to developing this critical form.

Psoriatic Arthritis

This is a chronic inflammatory condition that affects some people who have psoriasis. It causes joint pain, stiffness, and swelling. It can affect any joint, but it commonly affects the fingers, toes, wrists, knees, and ankles. Psoriatic arthritis is considered an autoimmune condition, and like psoriasis itself, it has a strong genetic component. If you have psoriasis, particularly severe forms or those affecting the nails, you have an increased risk of developing psoriatic arthritis. It’s estimated that up to 30% of people with psoriasis will develop psoriatic arthritis.

Understanding these different types helps paint a fuller picture of who is more prone to psoriasis and how it can manifest differently. The key takeaway is that while a genetic predisposition is often present, the specific type and severity can be influenced by a complex interplay of factors.

Lifestyle Modifications for Psoriasis Management

For anyone living with psoriasis, or concerned about their susceptibility, embracing certain lifestyle modifications can be a powerful tool in managing the condition and potentially reducing the frequency or severity of flares. These aren’t cures, but they are vital strategies for those who might be more prone to psoriasis or wish to gain better control over their symptoms. Think of these as proactive steps to support your body’s well-being and immune system.

1. Stress Management Techniques

As discussed, stress is a major trigger for many. Learning to manage stress effectively is paramount. This could involve:

Mindfulness and Meditation: Regularly practicing these can help calm the nervous system and reduce the body’s stress response. Even just 10-15 minutes a day can make a difference.
Regular Exercise: Physical activity is a fantastic stress reliever. It releases endorphins, which have mood-boosting effects. Aim for moderate exercise most days of the week.
Sufficient Sleep: Chronic sleep deprivation is a significant stressor on the body. Prioritize getting 7-9 hours of quality sleep per night. Establishing a regular sleep schedule is key.
Hobbies and Relaxation: Engaging in activities you enjoy, whether it’s reading, gardening, listening to music, or spending time with loved ones, can provide much-needed respite from daily pressures.
Seeking Support: Talking to a therapist, counselor, or joining a support group can provide coping strategies and a sense of community.

2. Healthy Diet and Nutrition

While there’s no single “psoriasis diet,” a balanced, nutrient-rich diet can support overall health and potentially reduce inflammation. Focus on:

Anti-inflammatory Foods: Incorporate plenty of fruits, vegetables, fatty fish (like salmon and mackerel), nuts, seeds, and olive oil. These are rich in antioxidants and omega-3 fatty acids, which have anti-inflammatory properties.
Limit Processed Foods: Reduce intake of processed meats, sugary drinks, refined carbohydrates, and unhealthy fats, which can contribute to inflammation.
Hydration: Drinking enough water is crucial for skin health. Aim for at least 8 glasses of water a day.
Consider Probiotics: Some research suggests a link between gut health and autoimmune conditions. Incorporating probiotic-rich foods (like yogurt with live cultures, kimchi, sauerkraut) or supplements may be beneficial for some.
Identify Food Sensitivities: If you suspect certain foods trigger your psoriasis, keep a food diary to track your symptoms and potential culprits. Consult with a registered dietitian or allergist for guidance.

3. Smoking Cessation and Moderating Alcohol Intake

These are critical steps for anyone with psoriasis:

Quitting Smoking: If you smoke, quitting is one of the most impactful things you can do for your overall health and your psoriasis. Seek professional help, nicotine replacement therapy, or support groups to aid in cessation.
Limiting Alcohol: If you drink alcohol, do so in moderation. Excessive alcohol consumption can worsen psoriasis and interfere with treatments.

4. Skin Care Routine

Proper skin care is essential for managing symptoms and preventing exacerbation:

Moisturize Regularly: Apply thick, fragrance-free moisturizers or emollients multiple times a day, especially after bathing, to lock in moisture and prevent dryness and cracking.
Gentle Cleansing: Use mild, fragrance-free soaps or cleansers. Avoid harsh scrubbing or hot water, which can strip the skin of its natural oils. Opt for lukewarm water.
Pat Dry: After bathing or showering, gently pat your skin dry with a soft towel instead of rubbing vigorously.
Sun Protection: While moderate sun exposure can be beneficial for some, always use sunscreen to prevent sunburn, which can trigger psoriasis flares (Koebner phenomenon).

5. Regular Medical Check-ups

For those at higher risk or already diagnosed, regular visits to a dermatologist are crucial:

Early Detection: If you have a family history, regular skin checks can help catch psoriasis early.
Monitoring and Adjustment: A dermatologist can monitor your condition, adjust treatments as needed, and screen for associated conditions like psoriatic arthritis.
Discussing Triggers: Openly discuss any potential triggers with your doctor. They can help you identify patterns and develop strategies.

By integrating these lifestyle modifications, individuals can empower themselves in managing psoriasis, thereby potentially reducing the impact of the condition on their lives and improving their overall well-being. It’s a journey of self-care and informed choices.

Frequently Asked Questions About Psoriasis Susceptibility

The journey to understanding psoriasis can be filled with questions. Here, we address some of the most common queries related to who is more prone to psoriasis, offering detailed and professional answers.

How can I know if I am genetically predisposed to psoriasis?

Determining your genetic predisposition to psoriasis primarily revolves around your family history. If you have close relatives – such as parents, siblings, or even grandparents – who have been diagnosed with psoriasis, your risk is significantly higher than that of the general population. This is because psoriasis has a strong hereditary component, meaning certain gene variations that increase susceptibility can be passed down through generations. It’s not a simple one-gene-one-disease scenario; rather, multiple genes interact to influence your likelihood of developing the condition. Researchers have identified over 20 different genes that are associated with psoriasis risk, many of which are involved in regulating the immune system and skin cell growth. Therefore, a detailed family medical history, especially regarding autoimmune conditions and skin diseases, is the most accessible way to gauge your inherited susceptibility. While genetic testing is becoming more advanced, it’s not typically used for routine screening for psoriasis predisposition because the results would indicate a risk rather than a certainty, and the complexity of the genetic landscape means a definitive “yes” or “no” is often not possible.

Furthermore, the specific type of psoriasis within your family can also offer clues. For instance, if a close relative has plaque psoriasis, and you develop similar skin lesions, it further supports a potential genetic link. It’s also important to understand that inheriting these genetic factors doesn’t guarantee you’ll develop psoriasis. Instead, it means your immune system might be more prone to reacting abnormally to certain triggers. Think of it as having a higher baseline susceptibility. This understanding is crucial because it underscores the importance of identifying and managing environmental triggers if you know you have a genetic predisposition, as these triggers are often what initiate the disease process in susceptible individuals.

Why are some people more prone to psoriasis flares after an infection?

The increased susceptibility to psoriasis flares following an infection, particularly bacterial infections like streptococcal pharyngitis (strep throat), is a phenomenon most notably observed in guttate psoriasis. The underlying reason for this is believed to be a process called molecular mimicry or cross-reactivity. When your immune system fights off an invading pathogen, like the Streptococcus bacteria, it produces antibodies and inflammatory responses specifically designed to target and neutralize that pathogen. However, in individuals genetically predisposed to psoriasis, some components of the bacteria might bear a striking resemblance to certain proteins or molecules found on the surface of healthy skin cells. This similarity can confuse the immune system. Consequently, the immune response that was meant to eliminate the infection can inadvertently start attacking the body’s own tissues, specifically the skin cells, triggering the characteristic inflammation and rapid skin cell turnover of psoriasis. This means the body’s defense mechanism, in its attempt to protect you from infection, mistakenly initiates an autoimmune attack on your own skin.

This cross-reactivity is a key aspect of why certain infections can act as potent triggers for psoriasis in genetically susceptible individuals. The intensity of the immune response to the infection, coupled with the specific genetic makeup of the individual, determines whether this cross-reactivity occurs and leads to a psoriatic flare. It’s not that everyone who gets strep throat will develop psoriasis; rather, individuals with the right genetic background are more vulnerable to this misdirected immune response. Recognizing this link is important for prompt medical attention. If you have a history of psoriasis and experience a sore throat or other signs of infection, it’s wise to consult your doctor, as early treatment of the infection might help prevent or mitigate a subsequent psoriasis flare.

Does stress directly cause psoriasis, or does it just make flares worse?

While stress is not considered the sole “cause” of psoriasis, it is a well-established and significant trigger that can directly contribute to the onset of psoriasis in genetically susceptible individuals and significantly worsen existing flares. The connection lies in the intricate communication pathways between the brain and the immune system. When you experience emotional or physical stress, your body releases stress hormones, such as cortisol and adrenaline. These hormones can influence the behavior of immune cells, including T-cells, which are key players in the inflammatory processes of psoriasis. Chronic stress, in particular, can lead to a state of heightened inflammation throughout the body, making the immune system more prone to overactivity and misdirected attacks on healthy tissues.

For individuals who already carry the genetic predisposition for psoriasis, the inflammatory signals generated by stress can be sufficient to “tip the scales,” initiating the autoimmune cascade that results in psoriatic lesions. This means that for some, significant life stressors could be the initial catalyst for developing psoriasis. For those who already have psoriasis, stress can disrupt the delicate balance of their condition, leading to more frequent, more severe, or more widespread flares. The impact of stress is highly individualized; what might trigger a flare in one person may not affect another. Therefore, managing stress through techniques like mindfulness, meditation, regular exercise, adequate sleep, and seeking emotional support is a cornerstone of comprehensive psoriasis management for many, directly impacting the frequency and intensity of their symptoms.

Are there specific ethnic groups that are more prone to psoriasis?

While psoriasis can affect individuals of all ethnicities and races globally, some research has indicated variations in prevalence and presentation across different ethnic groups. Historically, studies have suggested that individuals of European descent may have a higher prevalence of psoriasis compared to some other populations. However, it is crucial to interpret these findings with caution and avoid overgeneralization. Modern genetic research emphasizes that psoriasis is driven by specific gene variations, not broad ethnic categories. These gene variations can exist within any population group, and their prevalence can differ significantly.

For instance, the specific genetic marker HLA-Cw*0602, which is strongly associated with psoriasis, is found more frequently in individuals of European and Asian descent. However, this doesn’t mean that individuals of African or other descents are immune; they can absolutely develop psoriasis, and it can sometimes present differently or be more severe. The perception of prevalence can also be influenced by factors such as access to healthcare, diagnostic awareness within a population, and reporting biases in research. Therefore, while statistical trends exist, focusing on individual genetic predisposition and environmental factors is far more accurate than relying on broad ethnic classifications to determine who is more prone to psoriasis. Every individual’s risk is unique and should be assessed based on their personal health history, family history, and lifestyle.

Can psoriasis develop in childhood, and if so, who is more prone?

Yes, psoriasis can certainly develop in childhood, although it is less common than in adults. When psoriasis does occur in children, the underlying mechanisms are generally the same as in adults, involving an overactive immune system leading to rapid skin cell turnover. Children who are more prone to developing psoriasis typically share key risk factors with adult counterparts, primarily:

Family History: This is a significant predictor. If one or both parents have psoriasis, a child’s risk of developing the condition is considerably higher. Some studies suggest that a positive family history is present in a substantial percentage of childhood psoriasis cases.
Genetic Predisposition: As with adults, children inherit specific gene variations that can increase their susceptibility to developing psoriasis. These genetic factors influence immune system function and skin cell regulation.
Environmental Triggers: Similar to adults, childhood infections, particularly streptococcal infections (like strep throat), are strongly linked to the onset of guttate psoriasis in children. Other infections, stress (from school, family issues, etc.), and sometimes injuries to the skin can also act as triggers.
Obesity: In recent years, there has been a notable increase in childhood psoriasis, and obesity has been identified as a significant contributing factor. Excess weight can promote inflammation throughout the body, potentially exacerbating the underlying inflammatory processes of psoriasis.

It’s important for parents to be aware of these risk factors. If a child develops persistent skin rashes, particularly those that resemble typical psoriatic lesions, or if there’s a known family history of psoriasis, it’s advisable to consult a pediatrician or dermatologist for proper diagnosis and management. Early intervention in childhood psoriasis can be crucial for long-term skin health and for preventing associated conditions like psoriatic arthritis.

In conclusion, the question “Who is more prone to psoriasis?” is answered by a nuanced understanding of inherited genetic vulnerabilities, a range of environmental triggers, and certain demographic factors. While genetics lays the groundwork, lifestyle choices and external influences play a critical role in the manifestation and management of this chronic autoimmune condition. By recognizing these interconnected elements, individuals can be better equipped to understand their personal risk and work towards healthier skin and a better quality of life.

Who is More Prone to Psoriasis? Unpacking the Genetic and Environmental Factors