Daily strides may mean longer life for older women

Older women who get in enough steps each day to walk the equivalent of about two miles - far less than the five-mile goal set by many Americans - might still live longer than their less active counterparts, a U.S. study suggests.

Many people trying to achieve a healthy weight and stay in shape set a daily goal of 10,000 steps, or about five miles, often because they use a fitness tracker with that target, researchers write in JAMA Internal Medicine.

But there isn’t solid evidence that this goal is right for everyone, and it’s also unclear . . .