I have oily scalp whenever I wash my hair after 2 days oil come back. And I am very thin I am 19 and my weight is 36 can you suggest me something good to eat and yes I eat junk and during my periods I have less flow my period ends by 4-5 day. Whenever I standup or whenever m lying down n gets up I feel unconscious for seconds n then back to normal not really unconscious but something black appears in front of my eye so these are my problem hope you will suggest me something good.