Your body's rapid-response defenses protect you from millions of would-be invaders daily. Here's how you can help your immune system do its job.... PRINT EDITION ONLY

From back pain to compromised balance, many problems are associated with weak core muscles. A little more attention to those muscles in the... READ ON ...

There's no shortage of abdominal exercises out there. But not all of them deserve your time. Here are three worth doing – plus expert... READ ON ...

Oodles of noodles aren't the only secret to successful pre-race fueling. Here's a closer look at how to maximize your energy supply. READ ON ...

Back pain prevented Jon Skare from enjoying life - until two focused workouts a week restored his vitality. PRINT EDITION ONLY

Listen up: There's a quiet subculture of outdoor enthusiasts who prefer muscle power to motorized recreation – and they're beginning to... READ ON ...

Sports doctors treat common athletic injuries with top-notch technologies. Today, similar solutions are within reach of the average fitness... READ ON ...

You've got a heart-rate monitor, but do you know how to use it? With a little guidance you can tap into your monitor's full potential –... READ ON ...

Sure, it's possible to do a triathlon while wearing tennis sneakers and pedaling a junker bike. But why suffer when there's gear built for speed... PRINT EDITION ONLY

A prematurely arthritic hip cramped Jennifer Rottenberg's lifestyle. But advancements in hip-replacement surgery meant she got a new... READ ON ...

Nutrition and fitness evaluations abound. But which ones are right for you, and worth your time and money? Find out what some of the top-rated... READ ON ...

Fitness is about building sweat equity, not about buying more stuff. But a little new gear now and then can make your athletic pursuits more... PRINT EDITION ONLY

As the mercury rose, pros and amateurs sweated toward the finish of the 2005 Life Time Fitness Triathlon. Some wanted glory - others just wanted... PRINT EDITION ONLY

You want to stay fit, and you want your baby to be healthy. Here's what's known (and not yet known) about the potential risks and rewards of... READ ON ...

Scott and Jennifer Nelson are staying fit, busting gender stereotypes and raising three active kids. They wouldn't have it any other way. PRINT EDITION ONLY

Problem: Neither you nor your kid is getting enough exercise. Solution: Get active together. READ ON ...

A growing number of teens are making friends with the yoga mat, for all the same reasons as grownups - and then some. PRINT EDITION ONLY

For years, Amy Whittle threw herself into running the family business. But when her health began to suffer as a result, she took charge and... PRINT EDITION ONLY

Neurotic about your body? For your kids' sake, deal with it. The body burdens of parents are easily passed along – and lived out by... READ ON ...

What do superathletes, fit kids and the physically challenged have in common? Surprisingly, triathlon. These days there's room in the race for... PRINT EDITION ONLY