Don't Exercise Alone

It happens: Your workout partner gets a new job with insane hours, moves to a new city, twists an ankle, or gets pregnant. But don’t let the loss of your favorite walking buddy get you down, or sabotage your routine. Here are some ways to help.

Taking the Lead: Running Guides Help the Blind

For the last three years, Julia Hahn has been guiding 30-year-old Mosquera, blind since age 2, as a volunteer with the Achilles Track Club, a worldwide nonprofit group that trains disabled runners and matches them with able-bodied guides.