Psoriasis causes dry, flaky, pinkish-red patches with scales on the skin of over 6 million Americans, according to 2010 information from he University of Maryland Medical Center (UMMC). Its cause remains unknown, but stress, dry or cold weather, obesity, smoking and alcohol may trigger symptoms. In addition to medications, ultraviolet light therapy and regular exercise, a healthy diet may help manage your condition. For best results, seek specified guidance from your doctor or dietitian.
Fruits and Vegetables
Fruits and vegetables supply rich amounts of vitamins, minerals and fiber. The National Psoriasis Foundation recommends consuming a broad range of colorful fruits and vegetables to ensure maximum fiber and disease-fighting antioxidant intake. Cutting back on refined sugars, which may increase inflammation, and depending on fresh fruit for natural "sweets" may also help. Fruits and vegetables particularly rich in antioxidants include berries, citrus fruits, tomatoes, leafy greens, Brussels sprouts, broccoli, bell peppers and butternut squash.
Whole Grains
Whole grains are low-glycemic, meaning they have a mild impact on your blood sugar levels and may delay excessive hunger between meals. They also contribute more fiber and helpful nutrients, such as B-vitamins, than refined grains. The psoriasis medication methotrexate may cause deficiencies of the B-vitamin folate, according to the UMMC. Valuable sources of folate and other nutrients include 100 percent whole grain breads and cold cereals, oatmeal, brown rice, wild rice, pearled barley and air-popped popcorn. Replace enriched breads, pasta and snack foods in your diet with whole grains for heightened benefits. If gluten, a storage protein found in wheat, barley and rye, increases your symptoms, stick to gluten-free grains such as brown rice, wild rice, popcorn and gluten-free oats.
Fatty Fish
The oil in fatty fish is rich in omega-3 fatty acids -- fats your body requires that play an important role in brain function and cardiovascular health. Though studies are mixed, according to the UMMC, omega-3 fatty acids may help reduce the frequency or intensity of psoriasis symptoms. Fatty fish also provide nutritious alternatives to protein sources high in saturated fat such as red meat and dark-meat poultry. Fish particularly dense in omega-3 fatty acids include salmon, flounder, mackerel, halibut, herring, tuna and sardines.
Plant-Based Fats
Plant-based fats also promote positive heart health and provide useful alternatives to butter, margarine and high-fat cheese. The National Psoriasis Foundation recommends incorporating modest amounts of plant-based oils, such as olive or canola, into your diet and cutting back on animal-derived fats. Olive oil and vinegar provide a nutritious alternative to high-fat, creamy salad dressings. For a healthy snack, consume nuts, seeds or almond butter-topped whole grain crackers instead of potato chips, pretzels or French fries. Flaxseed, walnuts and canola oil also provide omega-3 fatty acids.
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