Ask unlimited questions for free
Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.
If all the neurons in the human body were lined up, they would stretch more than 600 miles.
Russia has the highest death rate from cardiovascular disease followed by the Ukraine, Romania, Hungary, and Poland.
In 2010, opiate painkllers, such as morphine, OxyContin®, and Vicodin®, were tied to almost 60% of drug overdose deaths.
The horizontal fraction bar was introduced by the Arabs.
For a complete list of videos, visit our video library