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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.

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0:24

Vasectomy Proceedure

This animation shows a vasectomy procedure. A vasectomy is a procedure to cause permanently sterility in a man by preventing the transport of sperm out of the testes. A small incision is made in the scrotum and each vas deferens is tied off and cut apart preventing sperm from being released within the ejaculate. The small skin incision is stitched closed and the surgery does not affect a man's sexual function.

0:34

Epinephrine and exercise

This animation shows the release of epinephrine and its effect of the heart.

1:54

Symptoms of Low Testosterone Levels in Men

Brief review of symptoms associated with low testosterone levels in men, and what treatments can be used.

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Adjusting Your Diet to Gain More Energy

Helpful tips on how to adjust healthful meals and snacks to prevent fatigue.

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Abdominal ball raise with fitness ball

You can do many exercises with a fitness ball. See the abdominal ball raise.

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