Ask unlimited questions for free
Long-term mental and physical effects from substance abuse include: paranoia, psychosis, immune deficiencies, and organ damage.
The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").
There are more sensory neurons in the tongue than in any other part of the body.
Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.
Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.
For a complete list of videos, visit our video library