If the goal of your workout is to walk away with a chiseled six-pack, you’re missing the point. Credit...Gritchelle Fallesgon for The New York Times Supported by By Jenny Marder To perform well at ...

Spinal discs work like shock absorbers in your back, absorbing the impact from your daily activity. They can wear out as you get older, which in some people causes only mild discomfort, but seriously ...