F45 is a training program that focuses on cardio, strength training, or a mixture of both. The sessions are done in an ...

A year-long aerobic workout program may do more than improve fitness—it could actually slow brain aging.

You don’t have to strain your knees by running miles to get your cardio in. In fact, if you’re looking to ease into fitness in a way that puts less pressure on your joints, then low-impact cardio ...

"Cardio, and specifically walking, can provide a very quick release of endorphins which helps you to feel more positive!" ...

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. So where should you ...

According to a personal trainer, you should stop doing these things with your rowing machine if you want to get the most out ...

Six real women share the creative ways they've learned to enjoy exercise. By following their tips, even the most staunch ...

For most of us, a few jogs around the block and a couple of dumbbell sessions makes for a perfectly solid fitness routine. Sure, we could all do more, but as long as we’re ticking off both cardio and ...

A brutal 1970s physical experiment proves that spiking your aerobic ceiling can actively reverse biological aging.

Exercising on an empty stomach can increase fat use but may cause fatigue or dizziness in some individuals depending on ...