well

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.

When the Lung Cancer Patient Climbs Mountains

Andy Lindsay, a lung cancer patient, was among the climbers and porters heading up Mera Glacier in Nepal to Mera High Camp on a three-week trek this fall.

The Ascension of Cauliflower

After a Cancer Diagnosis, Playing the Odds

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

Do You Believe in Magic? I Do

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

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.

Parenting the Fortnite Addict

A scene from the popular game Fortnite: Battle Royale.

Is There an Optimal Diet for Humans?

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

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.

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.

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.

Blurred Vision, Burning Eyes: This Is a Lasik Success?

Justin Puglisi undergoing Lasik eye surgery in Garden City, N.Y. The 15-minute procedure was performed 700,000 times last year.

What Surfing With My Niece Taught Me About Life

The author, Steven Petrow, surfing in Hawaii.

Is There an Optimal Diet for Humans?

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