Even something as simple as chopping up food on a regular basis can be enough exercise to help protect older people from showing signs of dementia, a new study suggests.
A colorized image of a brain cell from an Alzheimer's patient shows a neurofibrillary tangle (red) inside the cytoplasm (yellow) of the cell. The tangles consist primarily of a protein called tau.
The people who got caught up in the exercise boom of the 1970s and stuck with it into their senior years now have significantly healthier hearts and muscles than their sedentary counterparts.
David Trood/Getty Images
A business decision by UnitedHealthcare, the nation's largest health insurance carrier, to drop a popular fitness benefit has upset many people covered by the company's Medicare plans.
Mladen Zivkovic/Getty Images
Loneliness is on the rise in the U.S., particularly among younger people, such as members of Generation Z, born between the mid-1990s and the early 2000s, and millennials, just a little bit older.
Tara Moore/Getty Images
Cutting back up to 25 percent of your calories per day helps slow your metabolism and reduce free radicals that cause cell damage and aging. But would you want to?