Ask unlimited questions for free
A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.
The people with the highest levels of LDL are Mexican American males and non-Hispanic black females.
Your heart beats over 36 million times a year.
There are actually 60 minerals, 16 vitamins, 12 essential amino acids, and three essential fatty acids that your body needs every day.
The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.
For a complete list of videos, visit our video library