Although we all hope to live a long and healthy life, few of us are certain about what it actually takes to achieve that goal. You might assume your best shot at improving your health and longevity ...

Meredith Dietz is Lifehacker’s Senior Staff Writer. She earned her bachelor’s degree in English and Communications from Northeastern University, where she graduated as valedictorian of her college.

Sample this at-home full-body workout from the Women's Health Build & Burn series, programmed by Obé instructor and functional strength coach Alexandra Mack.