Ask unlimited questions for free
In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.
Individuals are never “cured” of addictions. Instead, they learn how to manage their disease to lead healthy, balanced lives.
More than 4.4billion prescriptions were dispensed within the United States in 2016.
The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
For a complete list of videos, visit our video library