It was dusk not night, Dr. Michael Martinez insisted, as a group trail run was about to start last week at Lehigh Gap. That was good enough for me, coming from a St. Luke’s University Health Network ...

Breaking into a sweat when you’re working out is great. Breaking into a sweat the second you step outside to head out on your daily jog, or post-dinner stroll around the neighborhood, because it’s ...

Q: I prefer to exercise outside, but when the air quality is poor, I’m concerned about the potential health effects. What should I do? Across the country, smoke from wildfires — including the Canadian ...

Stepping outside for a brisk walk can bring significant health benefits. Walking has been linked to improved blood pressure, ...

Walking is a wonderful way to stay active and comes with all kinds of health benefits, including less back pain and improved fitness and mental health. But what if the weather is unbearably hot or ...

Sign up for CNN’s Fitness, But Better newsletter series. Our seven-part guide will help you ease into a healthy routine, backed by experts. The weather is chilly in ...

As the 100-degree days grow closer, many Arizonans are preparing to retire the hiking gear and hit the indoor gyms instead. While the Sonoran Desert provides the picture-perfect backdrop for an ...

As we begin a new year, millions of Americans will make resolutions they won't keep. We'll vow to lose weight, save money or ...

Discover effective indoor exercises and tips for maintaining an active lifestyle during winter months, including squats, push ...