PSA – PROSTATE SPECIFIC ANTIGEN

PSA – PROSTATE SPECIFIC ANTIGEN

What is prostate specific antigen (PSA)?  Prostate Specific Antigen (or PSA) is an enzyme exclusively produced by the epithelial cells of the prostate gland. It is released in very small amounts into the bloodstream. When there is a problem with the prostate (like...
PREP – PRE-EXPOSURE PROPHYLAXIS

PREP – PRE-EXPOSURE PROPHYLAXIS

What is PrEP (Pre-Exposure Prophylaxis)? PrEP is medicine people at risk of HIV infection take to prevent them from becoming infected with HIV. It is mainly used to prevent getting HIV from anal and vaginal sex. PrEP is not effective against protecting against other...