Health

New research shows that cigarette smoke can cause genetic damage within minutes.

A new study shows that physical exercise increases memory.

For as little as these locations have in common, they share one delightful trait: Their residents rate among the happiest in the world. Find out what they know, and what they can teach the rest of us, about living well.

ADD is not just a childhood condition. Millions of adult Americans suffer from it, mostly undiagnosed. Here’s how to recognize its symptoms — and keep it from running your life.

New research has weakened the perceived link between saturated fat and heart disease. Today, many experts, including Dr. Ronald M. Krauss, agree that refined carbs pose a much greater danger.

Insight and wisdom from Pema Chödrön’s transformative guide to cultivating fearlessness.

Gregory Plotnikoff, MD, weighs in on the Institute of Medicine's vitamin D recommendations.

Americans spend billions every year trying to tame their allergy symptoms — mostly with prescriptions and over-the-counter drugs. Know your alternatives.

We wrangle leading fitness experts to address resistant carbs, when to add in core work after giving birth, and how changing your workout wardrobe can help lead to weight loss success.

A frightening cancer diagnosis changed Kris Carr’s life forever - in many ways, for the better.

There's a lot more culinary life in celery than the diet crowd lets on. And research shows it can help prevent memory loss, lower blood pressure and may even inhibit cancer.

Whether it’s hidden debt or a family skeleton, carrying around secrets can take a heavy toll on your happiness. Here are real-life stories that show how coming clean can set you free.

Reality shows about weight loss dominate television. Why have they become so popular? And are they entertaining, inspiring, infuriating — or all of the above?