Ask unlimited questions for free
There are 20 feet of blood vessels in each square inch of human skin.
The term pharmacology is derived from the Greek words pharmakon("claim, medicine, poison, or remedy") and logos ("study").
The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.
Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.
According to the FDA, adverse drug events harmed or killed approximately 1,200,000 people in the United States in the year 2015.
For a complete list of videos, visit our video library