Researchers identify key culprit causing muscle atrophy

Whether you're old, have been ill, or suffered an injury, you've watched gloomily as your muscles have atrophied. The deterioration of muscle—even slight or gradual—is about as common to the human condition as breathing.

Apple peel makes mice mighty

For Popeye, spinach was the key to extra muscle. For the mice in a new University of Iowa study, it was apples, or more precisely a waxy substance called ursolic acid that's found in apple peel.

Researchers identify caffeine-consuming bacterium

As it turns out, humans aren't the only organisms that turn to caffeine for a pick-me-up. University of Iowa scientists have identified four different bacteria that actually can live on caffeine.

Carbon black nanoparticles can cause cell death

Researchers from the University of Iowa Roy J. and Lucille A. Carver College of Medicine have found that inhaled carbon black nanoparticles create a double source of inflammation in the lungs.

Team investigates function of 'junk DNA' in human genes

Part of the answer to how and why primates differ from other mammals, and humans differ from other primates, may lie in the repetitive stretches of the genome that were once considered "junk."

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