Muscle Gain Guide: Build Lean Mass and Get Ripped Fast

Building lean muscle mass effectively involves a combination of high-density training and strategic supplementation like whey protein or creatine. Discover why women should lift weights for fat loss and how to maintain muscle while getting lean.

Weight Bearing Exercises for Osteopenia

Osteopenia -- a loss of bone mineral density that is not severe enough to be classified as osteoporosis -- can put you at risk for osteoporosis and increase your susceptibility to broken bones.

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Can You Strengthen Rectal Muscles?

Weakened rectal muscles can cause fecal incontinence, defined as the inability to control bowel movements. Although it can be embarrassing and unpleasant, fecal incontinence is far from uncommon; the American College of Gastroenterologists reports that 5.5 million Americans have the condition at any given time.

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Running shoes on road

How Does Lactic Acid Affect You While Exercising?

Lactic acid, which is produced during strenuous exercise, is both maligned and misunderstood. Although it is commonly blamed for the "burn" you feel with exhaustive exercise, it is hydronium molecules — not lactic acid — that cause the pain.

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