Fitness & Nutrition

As early as your mid-40s, especially if you're sedentary, your heart muscle can show signs of aging, losing its youthful elasticity and power. But moderately strenuous exercise can change that.

There's evidence that if you regularly bike — even just for fun — you may age better than those who don't. A study shows that cyclists bodies may fend off some of the typical age-related decline.

People with prediabetes like a Washington state chef reversed the diagnosis using a digital program that harnesses the power of wearable devices, data, education, e-coaching and peer support.

Tech evangelists say consumer electronics that sense, stream and interpret vital signs will lead to better health and lower costs. But skeptics say reliability and privacy issues still loom.

For some, the USDA's plan to deliver SNAP benefits as canned, shelf-stable food is painfully familiar. The agency has long given this type of aid to tribes, with devastating health effects.

Two years ago, France introduced a law to force supermarkets to donate unsold food to charities and food banks. Skeptics called it unworkable at the time, but there are signs the effort is succeeding.