Malnutrition can do some wacky stuff to the body & mind. One of my wife's close friends is a lady that has never been above 90 lbs. She developed a strange rash all over her body. She went to several doctors and received little or no relief. She finally went to Mayo's and spent two weeks getting tested and checked out. They never did find anything that was a cause of the rash. Cortisone cream would mask the symptoms but not cure it. She finally found a Dr. that really looked into her life style. She avoided anything with fat in it. She ate a lot of fruit and vegetables but never anything with fat in it. Her doctor basically prescribed a cheeseburger once a week for a month then just one per month. The rash went away in no time. That is an extreme case. I will never suffer from lack of fat.