Dear Doctor: I'm 27 years old and have itchy skin that my doctor says is psoriasis. It's not all the time – it comes and goes. Sometimes it's bad, and other times it's not that noticeable. I've heard that what you eat matters. Can my diet help prevent or control the condition?
Dear Reader: Psoriasis is a chronic skin condition associated with a malfunction of the immune system. It is marked by the …