Question

doctor recommended don't to take animal fat why explain give reason

Answer 1

So having a high HDL (protective) actually contributes to a high "Total" cholesterol. Because saturated fat raised LDL levels, it seemed logical to assume that this would increase the risk of heart disease. But scientists mostly ignored the fact that saturated fat also raises HDL.
Like saturated fat, trans fat can raise LDL cholesterol, also known as “bad” cholesterol. Trans fat can also suppress high-density lipoprotein (HDL) levels, or “good” cholesterol. Trans fats, therefore, can raise your heart disease risk threefold higher than saturated fat intake. so animal fat harms