Prostate cancer
Prostate cancer is a disease in which cancer develops in the prostate , a gland in the male reproductive system . It occurs when cell s of the prostate mutate and begin to multiply out of control. These cells may spread (metastasize ) from the prostate to other parts of the bod more
Immune system image of a single neutrophil (yellow), engulfing anthrax bacteria (orange).
An immune system is a collection of mechanisms within an organism that protects against disease by identifying and killing pathogen s and tumor cells. It detects a wide variety of agents, from virus es to more
Rachel Carson
Rachel Louise Carson (May 27 , 1907 – April 14 , 1964 ) was an American marine biologist and nature writer whose writings are often credited with launching the global environmental movement .
Carson started her career as a biologist in the U.S. Bureau of Fisheries , and t more
Bupropion
Bupropion (INN ; previously known as amfebutamone, Wellbutrin, Zyban) is an atypical antidepressant that acts as a norepinephrine and dopamine reuptake inhibitor , and nicotinic antagonist . Bupropion belongs to the chemical class of aminoketones and is similar in structure to the stim more
Helicobacter pylori
Helicobacter pylori () is a Gram-negative , microaerophilic , and acidophilic bacterium that infects various areas of the stomach and duodenum . Many cases of peptic ulcer s, gastritis , duodenitis , and perhaps some cancer s are caused by H. pylori infections. However, man more