well

Is There an Optimal Diet for Humans?

Members of the Hadza tribe in Tanzania on a zebra hunt.

How to Protect Yourself From Mosquitoes and Ticks

The C.D.C. says tickborne diseases like Lyme are rising steadily in the Northeast, which has more trees now than a century ago.

Can Kindness Be Taught?

Prekindergarten students at P.S. 212 in Jackson Heights, Queens, observe their “belly buddies” — stuffed animals placed on their stomachs — as they rise and fall with their breath. The lesson is part of the Kindness Curriculum.

Facial Exercises May Make You Look 3 Years Younger

The upper cheeks and bags under the eyes modestly improved starting at week eight (center) and, by week 20 (right), dermatologists rated the mid-face as more full and youthful.

Exercise vs. Standing? You Probably Need to Do Both

Eric L. Adams, the Brooklyn borough president, uses a standing desk as part of his fitness routine.

The Ascension of Cauliflower

Do You Believe in Magic? I Do

If a Fairy God Bunny comes into your life, embrace it.

Death by Tuna Sandwich?

A Perplexing Marijuana Side Effect Relieved by Hot Showers

Thomas Hodorowski quit smoking marijuana after learning his years-long bouts of nausea and vomiting were caused by his habit.

How Karate Helped an Aging Expert Age Better

Dr. Kirk Daffner practices his karate moves as his mentor, George Gonis, looks on.

How to Know When a Child’s Flu Turns Serious

Ethan Lasorsa, 12, of Macungie, Pa., was treated for flu and an ear infection in the pediatric ward at Lehigh Valley Hospital-Cedar Crest in Allentown, Pa.

After a Cancer Diagnosis, Playing the Odds

The author, Katie Palay, with her husband and child.

Parenting the Fortnite Addict

A scene from the popular game Fortnite: Battle Royale.

How to Keep Children Safe From Abuse at the Doctor’s Office

Madeline Johnson, right, and her sister, Kara, left, with their parents, Brad and Kelly, at the sentencing hearing of Dr. Lawrence G. Nassar.

A Surprising Way to Eat Vegetables: For Dessert

Arugula tops a pecan pear cake with blue cheese mousse at Gramercy Tavern.

A Before-School Exercise Program May Help Children Thrive

A one-hour, before-school exercise program does seem likely to improve young people’s health and happiness.