There are some logical things we know to be true: working out is tiring. And being tired helps you fall asleep. But exercise before bed can sometimes have the opposite effect. I have personal ...

Dr. Valerie Cholet is a Professor of Kinesiology. She earned her doctorate at Penn State University and has taught in higher education for over 20 years. Her areas of specialization include Exercise ...

Let’s get right to it: You’re looking for the best workout for bigger arms, and you’ve come to the right place. But before you screenshot the exercises below, grab your gym bag, and head out to the ...

Keeping your blood sugar levels balanced and avoiding big spikes has a number of health benefits. When we eat food, our bodies break it down into glucose, which enters the bloodstream. The more you ...

Exercise can help improve flexibility and strengthen muscles to decrease lower back pain. Chair stretches are a safe option for people who have difficulty standing. Yoga can help relieve back pain and ...

Training your legs properly is a cornerstone of a balanced fitness routine. The lower body houses the largest muscle groups in the body—quadriceps, hamstrings, glutes, and calves—and activating them ...

Jakob Roze, CSCS, is a health writer and high-end personal trainer. He is the founder and CEO of RozeFit, a high-end concierge personal training practice and online blog. VO2 max measures how much ...

Jakob Roze, CSCS, is a health writer and high-end personal trainer. He is the founder and CEO of RozeFit, a high-end concierge personal training practice and online blog. Jennifer Steinhoff, MD, is a ...

Beth Skwarecki is Lifehacker’s Senior Health Editor and has been writing about health, fitness, and science here since 2015. Beth was the recipient of the 2017 Carnegie Science Award in science ...

People have been obsessed with cheating death for millennia, but until recently, little had been understood about how to extend life—or if it was even possible. Scientists now say they are getting ...