In addition, poisonous chemicals, or other harmful substances can cause foodborne diseases if they are present in food. 1  More than 250 different foodborne diseases have been described. 2  Most of these diseases are infections, caused by a variety of bacteria, viruses, and parasites that can be foodborne.
Testosterone is an androgen and belongs in the lipid family. Testosterone is the primary male sex hormone, similar to how estrogen is the primary sex hormone in females. In females, testosterone is important to metabolic function. Women generally have about fifteen-to-twenty fold lower concentrations of testosterone than men do.
What does testosterone do? Testosterone works by regulating several different functions within the body. In men its main job is to regulate sex drive, sperm count, body weight, bone mineral density, strength, muscle size and the production of red blood cells. The following is a more comprehensive list of the functions of testosterone.