Athletes, especially runners, train their lungs to increase capacity and strength of the breathing muscles. Holding your breath underwater improves lung function, which also helps running ability. Read on to learn more.

Being carefree, or caring less, is quite the opposite. It's caring about the stuff that counts and losing the nonsense that doesn't. It's about doing your best and not sweating the rest. Here's how you can be true to yourself, maintain your integrity, and care just the right amount.

A high-quality breakfast can start your day off right -- providing you with lasting energy to fuel your day, curb your cravings and help lower your risk for some chronic conditions. Here are nine of the worst choices for breakfast and our top picks to get your day off to a healthier start.

The elliptical is a powerhouse among cardio equipment because it allows you to use a large amount of muscle.The more muscles that are working, the more calories you'll be burning. When used properly, the elliptical is one of the best pieces of equipment to help you shed pounds.

You need to be conscious of what your personal brand is, because whether you know it or not, you have one.As an employee-turned-entrepreneur, I've come up with five steps for creating a personal brand that packs a punch and feels true to you.