Video: Epinephrine and exercise
This animation shows the release of epinephrine and its effect of the heart.
Human Growth Hormone for Fitness and Stamina in Men
A look at whether the health and fitness benefits of human growth hormone (hGH) are proven and safe.
Adjusting Your Diet to Gain More Energy
Helpful tips on how to adjust healthful meals and snacks to prevent fatigue.
Emergency Contraceptive Pills: How They Work, Safety and Side Effects
An overview of how the emergency contraceptive pill works, safety and common side effects
Herniated nucleus pulposus (slipped disk)
This animation shows displacement of an inter vertebral disk (disk between the vertebrae).
Atherosclerosis is a disease in which fatty material is deposited on the wall of an artery.
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