A flat tummy after 40 is possible — and 57-year-old trainer Jill Brown would know. Brown, a certified master health fitness ...

With New Year’s resolutions in full swing, lots of Americans are committing to being more fit and losing weight. One stubborn area that many of us will be battling is that squishy part around our ...

Sabrena Jo, Ph.D., senior director of science and research at the American Council on Exercise, has decades of experience helping people find ways to become physically active. From working one-on-one ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. If learning how to lose fat and gain muscle were easy, everyone would do it. Unfortunately, it’s ...

The thighs house some of the biggest muscles in the human body, including the quadriceps, hamstrings, and adductors. Their functionality is vital: they allow you to bend, flex, and rotate your lower ...

How to Lose Fat and Gain Muscle Losing weight can be tricky. Gaining muscle isn’t exactly a walk in the park, either. So, ...

Get inspired by a weekly roundup on living well, made simple. Sign up for CNN’s Life, But Better newsletter for information and tools designed to improve your well-being. Hiding deep inside the body, ...