The holidays can be a tough time for those trying to stick with a healthy lifestyle. Our schedules are packed, we tend to get less sleep and have more stress, and we’re surrounded by tempting foods.

The 3-by-5 strength training method involves short sets with very heavy weights and lots of rest.<br>Credit: pixdeluxe / Getty Images The 3-by-5 strength training protocol, which emphasizes lifting ...

Whether you go to a gym or open an app at home, it’s surprisingly difficult to come up with a week’s worth of workouts. It’s why you feel like you’re stuck in a rut or always bored two minutes into ...

There’s no magic formula for training in your 50s. Simplicity still matters. But there are methods that can save time, reduce injury risk and improve your chances of gaining mass without beating your ...

If you catch yourself writing the same to-do list every morning, it might be time to switch up your approach to productivity. It’s so easy, after all, to feel busy without actually getting anything ...

Lindsey Ellefson is Lifehacker’s Features Editor. She currently covers study and productivity hacks, as well as household and digital decluttering, and oversees the freelancers on the sex and ...