National Geographic | Mind, Body, Wonder

This week: How and why stress affects our appetite; foods that help us de-stress; the end of cervical cancer is within reach; how a bad manicure can cause lifelong health issues; what to know about collagen supplements.

PHOTOGRAPH BY BRIAN FINKE

Does stress affect your appetite? Here's how you can retrain your brain.

The stress response isn't the same for everybody: While some people eat more or gravitate toward highly palatable, high-calorie foods when they're under stress, others lose their appetites. And some people's eating habits don't change at all. The reasons for the differences are complex—but if you're an emotional eater, it can create a perpetuating cycle. Here's some advice on how to create a new "coping toolbox."

FINDING NEW WAYS TO COPE WITH STRESS

PHOTOGRAPH BY FASCINADORA/SHUTTERSTOCK

These foods will help you fight off stress

Getting the right mix of vitamins, minerals, fatty acids, protein, and carbohydrates will help boost levels of hormones like serotonin, which keep us balanced.

How different foods affect your body:

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How certain foods lower your risk of inflammation and disease

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How sugar and fat in ultraprocessed foods affect your brain

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Low-calorie sweeteners might not be as good for us as we thought

PHOTOGRAPH BY RAMON VAN FLYMEN, ANP/REDUX

Could this single shot end cervical cancer? It may be within reach.

It's the fourth most common cancer in women, killing more than 300,000 a year globally. But this "silent killer"—so called because there are no obvious early warning signs—may have met its match in the form of an exciting new vaccine development.

A SURPRISING DISCOVERY

MORE GOOD CANCER NEWS: Cancer vaccines are finally showing promise. Here's how they work. +

THE HEALTH RISKS OF A BAD MANICURE

PHOTOGRAPH BY DINA LITOVSKY

For most people, a gel manicure never causes an issue. For others, it can trigger allergic reactions that last a lifetime. Here's how gel manicures work, the signs you might be allergic, and how to get it done safely.

SOCIAL MEDIA MIGHT BE MAKING YOU SICK

ILLUSTRATION BY VICTOR DE SCHWANBERG, SCIENCE PHOTO LIBRARY

It was fall 2020. The patient felt "weighed down, dizzy, [and] nauseous." At the time, he wondered if he had contracted the coronavirus. The cause was something more insidious: the physical toll of living almost entirely in a virtual world. Once mainly a scourge of VR headsets, cybersickness is on the rise.

SCROLLING, SCROLLING, SCROLLING

HEALTH NEWS YOU MIGHT HAVE MISSED

PHOTOGRAPH BY GIANLUCA COLLA, NAT GEO IMAGE COLLECTION

Collagen production is vital for the health of our hair, nails, bones, joints, and other parts of the body—but as we age, our bodies produce less of it. Now, consumers spend some $2 billion a year on collagen supplements—but are those popular supplements worth the money?

WHAT DOCTORS SAY

How 'everywhere chemicals' help uterine fibroids grow

Sperm counts worldwide are plummeting faster than we thought

Why does COVID-19 cause brain fog? Scientists may finally have an answer.

Why athletes drink chocolate milk after a workout—and whether you should too

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