What is AIDS? AIDS stands for Acquired Immune Deficiency Syndrome. It is not passed down from generation to generation through genes, but it is acquired. AIDS is a disease that attacks the immune system, a system that is vital in fighting off disease. This disease causes the immune system to be d...

CIGARETTE SMOKING AND THE BODY Tobacco is consumed worldwide everyday by millions of people. Many people cannot prevent themselves from smoking because tobacco contains a drug called nicotine that makes them feel as if they need it in order to function normally. Nicotine is a substance found in t...

CIGARETTE SMOKING AND THE BODY Tobacco is consumed worldwide everyday by millions of people. Many people cannot prevent themselves from smoking because tobacco contains a drug called nicotine that makes them feel as if they need it in order to function normally. Nicotine is a substance found in t...

Ever since human stem cells were first isolated, research on stem cells has received much public attention, both because of its extraordinary promise and because of relevant legal and ethical issues. Stem cells are self-renewing, unspecialized cells that can give rise to multiple types all of spec...