RadioMD News... I'm John Byrd.

Guns, drugs and cars contribute significantly to the life-expectancy gap between the U.S. and other developed nations, found a new study. U.S. death rates from these exceed those in 12 other developed countries and shaves a full 2 years off the average life-expectancy.

Scientists have developed a 3D printable, yet dissolvable bone structure that could replace metal used in orthopedic surgeries. The 3D scaffold allows bone to grow around it and then slowly dissolves as the healing is completed.

And... do you let out heavy sighs? It turns out they aren't just an indication about how we are feeling, they are a vital reflex that keeps us from suffocating. Consciously or not, we sigh around once every 5 minutes. Those exaggerated breaths take in twice the normal volume of air and re-inflate areas of the lungs that only a sigh can inflate. So if your boss or your coworkers want you to stop sighing, tell them you're actually keeping from suffocating on the job. Literally. 

For RadioMD News, this is John Byrd. Hear health talk interviews with top experts at RadioMD dot com.