ESSENTIAL BODY FAT - A lesson in living.
Human beings need a minimum amount of fat as it is essential to aid in basic bodily functions. This essential body fat is a part of your internal organs, your brain and spinal cord, it regulates body temperature, cushions and insulates organs and tissues.
At 0% a human being would cease to exist, a male - even a healthy male at 2% would not be in any condition to be in a body building show. The baseline for essential body fat for a man is 2-4%.
Don't believe "the hype".
How's that for precise?