question: My brother when 7 years old was found häving vitligo a skin pigment problem who was given treatment as sitting nd exposed under sun rays everyday and häving a pill called melanosil. He had taken that treatment for almost 6 years. During the adoloscent period his behaviour drastically changed frm a brilliant child to a very low iq child. Y tht happened. Is there any cure. After a lot diagonisis a doctor declared h a bit szizophernic. Can anyone guide me on this. :-