Ask unlimited questions for free
There are 20 feet of blood vessels in each square inch of human skin.
Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.
Long-term mental and physical effects from substance abuse include: paranoia, psychosis, immune deficiencies, and organ damage.
Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.
Approximately 25% of all reported medication errors result from some kind of name confusion.
For a complete list of videos, visit our video library