Few would disagree that cardio, also called aerobic exercise, is good for your health. Of the 10 most common chronic diseases, seven are "favorably influenced by regular physical activity," according ...

Zone 2 training has been having a moment. With the rise of hybrid fitness, it seems everyone is trying to enhance their cardio to elite levels to improve their endurance training. It is, of course, ...

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. Zone 2 training is ...

The Zone Diet has been popular for several decades. It encourages followers to eat a certain amount of protein, carbs and fat at every meal in order to reduce inflammation in the body, among other ...