Photo by G.steph.rocket via Wikimedia Commons Study shows positive effects of diet on normal-weight patients with psoriasis A healthy diet is widely considered to play a role in improving psoriasis symptoms, supporting the anti-inflammatory benefits of weight loss in overweight or obese psoriasis patients, but there are benefits independent of weight loss seen in patients of all body weights. That’s according to Dr. Javier Perez-Bootelloof, Hospital Universitario Ramón y Caja