Why Does a Hard Workout Make You Less Hungry?
In a study done with mice, horses and people, researchers found clues as to which types of exercise suppress appetite and why.
By Gretchen Reynolds
Recent and archived work by Gretchen Reynolds for The New York Times
In a study done with mice, horses and people, researchers found clues as to which types of exercise suppress appetite and why.
By Gretchen Reynolds
A new study found exercisers expel a shocking number of tiny aerosol particles when they are working hard.
By Gretchen Reynolds
Science says you may need less exercise than you think to live a long and healthy life.
By Gretchen Reynolds
In her new book, Jennifer Heisz blends personal experience and the latest science about how exercise can improve your mental well-being.
By Gretchen Reynolds
It’s the one exercise most of us should be doing. But we need to do it right.
By Gretchen Reynolds and Brown Bird Design
Men and women who briefly contracted their arm muscles as hard as possible once daily increased their biceps strength by up to 12 percent in a month.
By Gretchen Reynolds
People who worked out in even moderately polluted air did not show the kinds of brain improvements tied to a lower risk of dementia.
By Gretchen Reynolds
This was featured in live coverage.
By Gretchen Reynolds
A 90-minute walk, jog or bike ride after getting vaccinated may boost your body’s immune response.
By Gretchen Reynolds
The need for healthy, active grandparents who can help with child-rearing may be encoded in our genes.
By Gretchen Reynolds