Sarcopenia, or degenerative loss of skeletal muscle mass and function, is an increasing health concern in the United States, causing elderly people to sacrifice their independence and rely on institutionalized care due to immobility and loss of strength. Although reductions in both the size and number of muscle fibers are consistently observed in...

Antibiotics play a critical role in modern medicine. Not only do they cure debilitating and potentially fatal bacterial diseases such as pneumonia, they also make surgery and cancer chemotherapy much less risky than they would be if antibiotics were not available to prevent or cure the overwhelming bacterial infections that can be a side effect...