National Geographic | Mind, Body, Wonder

From stopping the cycle of inflammation and disease to feeding your body the right way to easing off the habits that harm us, here are some science-backed tips to live longer, smarter, and healthier.

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What is 'inflammaging'? Here's how inflammation affects us as we age—and how to stop it

As we grow older, aches and pains can become a chronic part of life—along with a rising risk for illnesses like cancers, heart disease, and arthritis. But experts say it doesn't have to be that way. Research is unraveling how the inflammatory process changes over our lifespans, what causes those changes, and how it might be possible to break the cycle.

HOW TO BREAK THE CYCLE

AN ANTI-INFLAMMATION DIET? These foods really do reduce inflammation +

The science of longevity:

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A drug that can reverse arthritis? It's not science fiction.

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We lose collagen as we age. But should we really take collagen supplements?

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Can fasting help you live longer? Here's what the science says.

PHOTOGRAPH BY VICTORIA JONES, PA IMAGES/GETTY IMAGES

Going dry in January? Here's how your body will change.

Every year, millions of people give up alcohol for a month. As sober curiosity gains in popularity, we wondered what the benefits of giving up alcohol are—and whether a month is long enough to start experiencing them. Here's a look at how exactly alcohol harms our bodies–and what benefits you can really expect to get from a Dry January.

HOW YOUR BODY WILL CHANGE

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How alcohol messes with your sleep

Drinking before bedtime—even just a small amount—can make your sleep worse and ultimately affect your overall health.

DRINKING AND REM SLEEP

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The Mediterranean diet has stood the test of time for a reason: It works

It's easy to follow, is balanced and flexible, and helps prevent chronic diseases that shorten our lives: "It has worked for generations, and it works for lifetimes." We explain the diet's core foods, how it boosts your brain and lowers cancer risks and inflammation, and how to incorporate it into your life.

HOW TO FOLLOW IT

PHOTOGRAPH BY DAVID MCLAIN

These traditional diets can lead to long lives

Meals developed over generations based on whole grains, greens, nuts, and beans offer the promise of eluding disease and staying healthy.

BLUE ZONE DIETS

6 WAYS TO CHANGE YOUR LIFE IN 2024

ILLUSTRATION BY DAVID PLUNKERT

Want to live longer? Focus on these 6 key indicators of good health

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The way you move says a lot about your health. Here's how to do it right.

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Magnesium paired with vitamin D? These 6 nutrient combos will change your life.

6 NUTRIENT PAIRINGS

PHOTOGRAPH BY WILLIAM DANIELS

You might be drinking water all wrong. This is what you need to know about hydrating.

PHOTOGRAPH BY DAVID GUTTENFELDER

Want to keep your memory sharp? Here's what scientists recommend.

SIDNEY MOULDS, SCIENCE SOURCE

Chronic stress isn't the same as everyday stress. Here's the difference—and what to do about it.

CHRONIC VS. ACUTE

WHAT GOOD IS A POLAR PLUNGE?

PHOTOGRAPH BY JASPER DOEST, NAT GEO IMAGE COLLECTION

Enthusiasts claim that swimming in icy water can do wonders for your blood pressure, metabolism, and mental health. We asked experts to weigh the evidence—and the potential risks.

WHAT A POLAR PLUNGE DOES TO YOUR BODY

PROBIOTICS, PREBIOTICS, POSTBIOTICS? WHAT'S THE DIFFERENCE?

PHOTOGRAPH BY GARO, PHANIE/SCIENCE PHOTO LIBRARY

The words probiotics, prebiotics, and postbiotics may sound like variations of the same thing, but what a difference a prefix makes. These beneficial microbes and molecules are critical to our gut health—and could help treat everything from obesity to depression to sleep disorders.

WHAT YOU NEED TO KNOW

WHAT HAPPENS WHEN YOU QUIT SMOKING

PHOTOGRAPH BY ICEFRONT, GETTY IMAGES

Although the risks of smoking are well-known, it’s also incredibly challenging to quit, leading many to give up, assuming the damage has been done. But that's not the case. We spoke with some experts about what happens in your body in the hours, days, weeks, months, and years after quitting.

SURPRISING BENEFITS OF QUITTING

LUNG CANCER SCREENING: There are new guidelines. Here's who is most affected. +

MEDICAL BREAKTHROUGHS THAT GAVE US HOPE IN 2023

IMAGE BY SHERBROOKE CONNECTIVITY IMAGING LAB, SCIENCE PHOTO LIBRARY

Glioblastoma is a fast-growing and aggressive brain tumor that often kills patients within a year of diagnosis. Now, new research is revealing how glioblastoma cells fuel their speedy growth—a finding that may lead to new ways to treat aggressive brain cancers.

NEW HOPE FOR BRAIN CANCER TREATMENTS

New obesity drugs are coming. Here's how they could change everything.

Is it possible to cure hot flashes? We may be getting closer.

This is one of the leading causes of maternal mortality. A new test will save lives.

Inflammation can alter your mood—a finding that could help win our battle against depression

What causes long COVID? New research may have found the answer—and hope for treatment

First-of-its-kind study reveals promising new therapy for hoarders

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