Sometimes in life, you really can't beat the old stuff. Old friends, old tunes, old movies - we love them all. And when it ...

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. While plenty of ...

Step aerobics is an up-tempo way to get your heart pumping and stay fit. Doing this choreographed cardio workout as part of a group exercise class can help build motivation and create a sense of ...