Understanding Psoriasis Psoriasis is a chronic immune-mediated condition that affects the skin. Globally, it impacts approximately 2-4% of the population, with a prevalence rate of 2.35% in Taiwan. Among those diagnosed, 30% experience moderate to severe forms of the disease, with nearly half developing lesions on the scalp. What Causes Psoriasis? A Combination of Genetics and Triggers Psoriasis often emerges as the result of both hereditary and environmental factors. Common triggers include: Genetic predisposition Skin injuries or burns Infections Certain medications Stress Smoking Obesity While medical treatments play a critical role in managing psoriasis, lifestyle changes are equally essential in…