Your lower esophageal sphincter (LES) is a muscular ring that connects your esophagus with your stomach. It relaxes to let food pass through but otherwise stays closed to prevent stomach acid from ...

Challenge yourself with these body weight moves. Credit... Supported by By Anna Maltby Videos by Theodore Tae If you’re new to strength training, isometric exercises can be a great place to start. For ...

Certain times—and workouts—are better than others.

I'm a Fitness & Nutrition writer for CNET who enjoys reviewing the latest fitness gadgets, testing out activewear and sneakers, as well as debunking wellness/fitness myths. In my free time I enjoy ...

Breathing exercises focus your attention on your breath to promote relaxation and reduce stress. Common types include deep breathing, diaphragmatic breathing, and alternate nostril breathing. Some ...

Brain games can help boost focus, concentration, and memory. They may also help slow age-related cognitive decline, even if they can’t prevent it. Choose games that increase in difficulty and variety ...

Exercise can help you manage hypothyroidism symptoms like fatigue, weight gain, and joint pain, but it’s important to take some precautions. While it’s no substitute for thyroid replacement medication ...

I'm a Fitness & Nutrition writer for CNET who enjoys reviewing the latest fitness gadgets, testing out activewear and sneakers, as well as debunking wellness/fitness myths. In my free time I enjoy ...

Objective To evaluate systematic reviews of randomised controlled trials (RCTs) on the effects of exercise on general cognition, memory and executive function across all populations and ages. Methods ...

Wall sits strengthen your quadriceps, knee caps, and quadricep tendons. Doing hamstring curls boosts knee strength and lowers stress and injury risk. Clam shells target your gluteus medius and minimus ...

Beloved by gym bros and reality show contestants alike, upper body strength exercises have multiple benefits for gym performance and daily life. And contrary to popular belief, you don't need to spend ...

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. January 12, 2026 Add ...