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

As a personal trainer, I frequently am asked by my clients about the exercises that burn the most calories. I usually respond by explaining that other indicators — like strength, endurance and heart ...

Walking can be a great way to burn calories daily, but not everyone will burn the same amount. The total calories burned while walking depends on several factors, including pace, the length of time ...

Our stories are reviewed by medical professionals to ensure you get the most accurate and useful information about your health and wellness. For more information, visit our medical review board. This ...

As a personal trainer and weight-loss coach, I am constantly answering health and fitness questions from my clients, on social media and in our Start TODAY Facebook group. In this column, I address ...

I used to think weight training was just about building muscle and getting stronger. Boy, was I wrong. After diving deep into the research and tracking my own body’s responses, I discovered that how ...

The word “calorie” may bring up thoughts of nutrition labels and treadmill readouts, but really calories are just units of energy. Your car runs on gas, your house runs on electricity, and your body ...

Physical fitness does not need to be an exact science. But you could be working out smarter—not necessarily harder—to maximize benefits. So what is the minimal amount of calories you need to burn ...

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 ...

Okay, so I got curious about this and started looking into it, and honestly? I was pretty surprised by what I found. Turns out making out isn’t just emotionally satisfying—it’s actually a legitimate ...

It’s easy to attribute omnipotence to one’s devices. I’d hate to know what my iPhone knows about me. That said, there are still aspects of existence that Silicon Valley has yet to quantify (though not ...