Research  has been done on fat metabolism in psoriatic patients.This led to the conclusion that the lesions depend on fat metabolism. It is better to avoid the animal and vegetable fat. The study has revealed no flare up with the carbohydrate and protein metabolism. Some psoriatic patients live happily as vegetarians. They could control the ailment with diet.

           Some practitioners feel that fish oil has effect in controlling the scales. Early morning sun bath is something beneficial. If you have severe itching, allergic diathesis may be associated in such conditions and you have to follow additional diet to control the Allergic foods".  Low sodium diet is advised to avoid much exfoliation and itching.