a disease in which there is a severe loss of the body's cellular immunity, greatly lowering the resistance to infection and malignancy. HIV can be spread through any type of unprotected inter course, if one of the partners has the virus. This can happen when body fluids such as semen, vaginal fluids, or blood from an infected person get into the body of someone who is not infected.
Obesity <span>is the most significant public health issue facing people in the U.S. today. The other categories has a low frequency to occur than Obesity.</span>
