Did you know?

Blood is approximately twice as thick as water because of the cells and other components found in it.

Did you know?

Vaccines prevent between 2.5 and 4 million deaths every year.

Did you know?

Excessive alcohol use costs the country approximately $235 billion every year.

Did you know?

Your chance of developing a kidney stone is 1 in 10. In recent years, approximately 3.7 million people in the United States were diagnosed with a kidney disease.

Did you know?

It is widely believed that giving a daily oral dose of aspirin to heart attack patients improves their chances of survival because the aspirin blocks the formation of new blood clots.

For a complete list of videos, visit our video library