Steven Feldman, MD, PhD, is a professor of pathology and dermatology at Wake Forest University Baptist Medical Center in Winston-Salem, N.C.

Q: I just got a new job in Arizona— Will the climate change help my psoriasis or make it worse? (I live in New York.)

A: Psoriasis is unpredictable, but usually the sunnier, warmer weather should make psoriasis better, not worse.