Does avoiding cardio kill muscle mass? Here's what one exercise scientist says.

Add Yahoo as a preferred source to see more of our stories on Google. Some fitness debates never end, including incline versus flat bench for chest pressing. Exercise scientist Mike Israetel of ...

Fitness experts break down the new research.

Many gym-goers assume that any exercise is a good exercise, but according to exercise scientist Dr. Mike Israetel, that’s not always true. While consistency is crucial for fitness success, selecting ...

In America, for instance, fewer than half of adults meet the minimum recommendations for just cardiovascular exercise alone.

More exercises don’t always mean better. If you can’t spend hours in the gym, focus on these two chest exercises. Chest training doesn’t need to be overcomplicated. If your goal is to build a bigger, ...

Use soreness as a clue rather than a final verdict. If you feel sore after a tough day of lifting at the gym, that obviously means your muscles are growing—right? Technically, the jury is still out on ...

New research suggests that consistent aerobic exercise can help keep your brain biologically younger. Adults who exercised regularly for a year showed brains that appeared nearly a year younger than ...

Scientists say it is important to find ways to exercise when temperatures soar to protect your long-term health. Here's how ...