« previous next »
« previous next »
 

Did you know?

Children of people with alcoholism are more inclined to drink alcohol or use hard drugs. In fact, they are 400 times more likely to use hard drugs than those who do not have a family history of alcohol addiction.

Did you know?

Stroke kills people from all ethnic backgrounds, but the people at highest risk for fatal strokes are: black men, black women, Asian men, white men, and white women.

Did you know?

IgA antibodies protect body surfaces exposed to outside foreign substances. IgG antibodies are found in all body fluids. IgM antibodies are the first type of antibody made in response to an infection. IgE antibody levels are often high in people with allergies. IgD antibodies are found in tissues lining the abdomen and chest.

Did you know?

Parkinson's disease is both chronic and progressive. This means that it persists over a long period of time and that its symptoms grow worse over time.

Did you know?

In 1864, the first barbiturate (barbituric acid) was synthesized.

Health promotion Health promotion
Push down with your feet to come back up. Push down with your feet to come back up.
Value of Work versus GDP per Capita Value of Work versus GDP per Capita
Math work Math work
It’s Easy To Look Sharp When You Haven’t Done Any Work It’s Easy To Look Sharp When You Haven’t Done Any Work
A 60-kg skier starts from rest from the top of a 50-m high slope. If the work done by friction ... A 60-kg skier starts from rest from the top of a 50-m high slope. If the work done by friction ...
Video: Muscle Fatigue and Recovery

For a complete list of videos, visit our video library