Medical research

Chemical signaling simulates exercise in cartilage cells

Cartilage is notoriously difficult to repair or grow, but researchers at Duke Medicine have taken a step toward understanding how to regenerate the connective tissue. By adding a chemical to cartilage cells, the chemical ...

Health

Backs bear a heavy burden

Trudging from place to place with heavy weights on our backs is an everyday reality, from schoolchildren toting textbooks in backpacks to firefighters and soldiers carrying occupational gear. Muscle and skeletal damage are ...