Gretchen Reynolds

Articles by Gretchen Reynolds

Column | Want a younger brain? Exercise in your 40s may help. - The Washington Post

Health June 25, 2026

Regular exercise during midlife makes brains functionally younger. Thats the bracing conclusion of a new study of 130 inactive men and women, most in their 40s. Some began a simple, aerobic exercisοΏ½...

Column | This exercise β€˜sweet spot’ is linked to greater longevity - The Washington Post

Health June 17, 2026

Whats the ideal amount of weight training if youd like to live long and well? In a new study published this month in the British Journal of Sports Medicine, scientists set out to find the sweet spotοΏ½...

GLP-1s may not shrink muscles as much as we thought, study suggests - The Washington Post

Health May 8, 2026

Are GLP-1 weight-loss drugs hard on your muscles? That question has sparked controversy and concern among some scientists, doctors and the general public. Several large studies in recent years had sοΏ½...

Want to control your blood sugar? Here’s the best time of day for exercise. - The Washington Post

Health April 16, 2026

Is it better to exercise in the morning or afternoon? Thats a bit of a trick question, because exercise at any time of day is better than no exercise.

At 82, he’s as fit as a 20-year-old. His body holds clues to healthy aging. - washingtonpost.com

Technology February 5, 2026

As a model of successful aging, you cant beat 82-year-oldJuan LΓ³pez GarcΓ­a. Really, you cant beat him.

Want a younger, healthier brain? This type of exercise can help. - The Washington Post

Health December 18, 2025

If you need another reason to visit the gym this winter, a new study of almost 1,200 healthy, middle-aged men and women found that those with more muscle mass tended to have younger brains than thoseοΏ½...

How a scientist who studies β€˜super agers’ exercises for a longer life - The Washington Post

Health May 22, 2025

Seventeen years ago, Eric Topol, a cardiologist and founder of the Scripps Research Translational Institute in the La Jolla neighborhood of San Diego, set out to discover why some people age so well,οΏ½...