Your arms may appear veiny both when exercising and standing still. Protruding veins in your muscles can be the result of a low body fat percentage and high muscle mass.

Expert: Madonna's veiny arms may be result of dehydration, over-exercising. July 28, 2009 — -- Madonna is a woman of so many missions: Kabbalah, AIDS advocacy, adoption. Here's a new cause ...

A new study found that people with high levels of body fat in their arms were 18 percent more likely to develop an array of neurodegenerative diseases compared with those with low levels.

Male participants with high levels of body fat in their bellies developed the neurodegenerative diseases at a rate of 3.38 per 1,000 person-years, compared to 1.82 cases per 1,000 person-years for ...