Veganism in acne, atopic dermatitis, and psoriasis: Benefits of a plant-based diet.

Plant-based diets and veganism are receiving increased attention for many reasons. Leading international nutrition organizations have determined that a well-planned and balanced plant-based diet is protective against such chronic diseases as obesity, diabetes, and cardiovascular diseases. Many physicians may be unaware of its potential advantages, especially in the field of dermatology, and for this reason the vegan diet is often discouraged. Although the literature about diet in dermatology is limited, the introduction of foods of plant origin, vitamin B12 supplements, and elimination of animal products may have a protective role in skin diseases. There may be many benefits of a vegan diet for patients with acne, psoriasis, and atopic dermatitis.