This article deals with the good and bad things about body fats as well as the truth behind trans fat. Fat has some important roles in the body. It allows for efficient energy storage and is also important for proper growth and development and maintenance of good health. In this article, the author discusses various categories of food fats and identifies the so-called good and bad fats. She also gives some practical tips for lowering consumption of saturated fat, trans fat, and cholesterol while consuming a nutritionally adequate diet, and discusses how food labels can help or mislead. (Contains 1 figure.)