Here is a link that will explain why some healthy fat is necessary. Coconut oil is the healthiest oil and is great for cooking. Use organic virgin coconut oil which is available in stores and on the internet. There are many references at the bottom of the article. See if the message resonates with you. I am also using it on my psorias spot and it is is clearing up. It also has anti fungal and anti viral properties so I think it is worth checking out. The first link is to the article and the second link is to the coconut research center.
LW888
The Great Fat Debate - Why Virgin Coconut Oil Is Best
Coconut Research Center Home Page