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Andrew Zaleski

Andrew Zaleski is a writer for GQ.

What's the Best Diet for Longevity?

How to eat to live a longer and healthier life.

Is Steak a Health Food Now?

Sweetgreen now serves up choice cuts of red meat on health grounds, and the salad chain is far from alone.

Chess Can Sharpen Mental Fitness, But How Good Is It At Staving Off Cognitive Decline?

Experts say that while associative research strongly suggests that strategy games can help with “cognitive reserve," there's still more to glean about how chess improves memory.

The Year We Realized Any Alcohol Is Bad for You

Unfortunately, this reading material wallops your idea of how many bottles of wine are appropriate for holiday dinners.

Why Many Men Are Finding There’s a Fine Line Between Bulking and Binge Eating

If you start skipping meals while trying to get jacked, there may be an underlying problem.

The Science Behind Measuring (and Reversing) Your Body’s “Biological Age”

From simple fitness tests to deep looks into cellular DNA, longevity doctors and influencers are working on the body's odometer.

Why a Healthy Gut Is So Important For Overall Wellness 

Your tummy is a surprisingly vital center of physical (and mental!) health.  

You Don't Need to Do a Cleanse Diet 

The best way to eat better is by building a sustainable diet for the long haul, not restricting yourself to broth or celery juice for a couple of days. 

What Does Wellness Mean When You're Living With an Incurable Disease? 

I've written about health and nutrition for years. But when I was diagnosed with muscular dystrophy, staying healthy took on a new meaning. 

Is Plant-Based Meat Actually Good For You?

The environmental benefits of imitation meat are undeniable. The nutrition is less clear-cut. 

Everything You Need to Know About Fat, the Most Confusing Macronutrient

Some people avoid fat entirely. Others make it the cornerstone of their diet. The most prudent course is probably somewhere in the middle. 

How Much Protein Do You Actually Need? 

More is not necessarily better. 

Intuitive Eating Is Not a Diet—and Here's How to Do It 

Eat when you're hungry, stop when you're full. 

Should You Do the Keto Diet? (Should Anyone?) 

The high-fat diet does seem to often lead to short-term weight loss, but it doesn't have a good reputation among most dietitians. 

How Testosterone Therapy Is Transforming Aging 

Ever wonder why old rich guys are looking a little more muscular these days?

How Indoor Air Quality Became the New Wellness Fixation 

It's not just COVID: There's a growing awareness that poor air quality is behind all sorts of maladies.

How a Low-FODMAP Diet Can Help Manage Digestive Distress 

Cutting out high-FODMAP foods can potentially relieve gastrointestinal discomfort—but only as a last resort. 

What It's Like When You Know You're Sick but Doctors Can't Tell You Why 

A conversation with the poet and author Meghan O'Rourke about her struggle with chronic illness—and the “silent epidemic” of chronic disease nationwide.  

The Good and the Bad of Cholesterol

Cholesterol isn't straightforward. It's "good" and it's "bad." It's in eggs and fatty food—but most of it is produced inside your body. But understanding how it relates to you and your diets starts with a simple checkup at the doctor.  

A Huge Number of Americans Are Deficient in Vitamin D. What Does That Mean? 

The nutrient can be hard to come by, especially during the dark winter. 

How Much Caffeine Is Too Much? 

It's the most widely used psychoactive substance in the world—and it's not entirely risk-free. 

Why Guys Won't Go to the Doctor Unless Their Penis Is Broken, and Other Truths About Men's Health 

A conversation with the urologist and author Jesse Mills. 

Why Do We Love to Fight About Milk? 

And is it good for you or not? 

An Elimination Diet Is the Best Way to Figure Out Which Foods Make You Feel Like Crap 

Every stomach has different triggers for aches, burps, gas, and the like—and a targeted approach often makes more sense than a wildly restrictive fad diet.