Proper fueling for your fitness routine is essential to ensure you’re balancing out the energy you expend and making the most of your workout gains.

You’re not a bear, so don’t hibernate this winter and let your fitness fall off. Use these exercises to stay fit.

Reasons & Solutions Key Takeaways: A calorie deficit means consuming fewer calories than your body needs to maintain its ...

Here are all the ways to find the right fitness wearable for you, and how to make the most of the data it can offer. This post is part of Find Your Fit Tech, Lifehacker's fitness wearables buying ...

When used correctly, your fitness band becomes a supportive companion rather than a constant reminder of your shortcomings.

This post is part of Find Your Fit Tech, Lifehacker's fitness wearables buying guide. I'm asking the tough questions about whether wearables can really improve your health, how to find the right one ...

Try 6 full-body moves that burn more fat than long cardio and help you rebuild strength, metabolism, and confidence after 45.

Walk into any gym-and you will see three classic cardio choices lined up in a row: treadmills, stair machines-and people ...

That could mean you fidget less the rest of the day. You feel more tired and move less without realizing it. Or your body ...

Jillian Michaels reveals her 80-20 rule to prevent holiday weight gain. The fitness expert shares how to balance indulgences with smart calorie management this season.

Learn about 11 common foods and drinks that can hurt your metabolism. Get tips to boost your energy and support a healthier lifestyle.

Brown fat burns energy when we are cold. Now scientists are trying to harness its powers to fight obesity and type 2 diabetes.