Age-related changes in our gut bacteria play a key role in making arteries stiff, degrading blood vessels and boosting risk of heart attack and stroke as we get older, according to a new, first-of-its kind study.
Could working out five minutes a day, without lifting a single weight or jogging a single step, reduce your heart attack risk, help you think more clearly and boost your sports performance? Preliminary evidence suggests yes.
How much do high-tech shoes, special diets and exercises, drafting behind other runners and other strategies actually improve your finish time? A new study spells it out. The takeaway: The faster you are, the harder it is to get faster.