90 reps, 2 minutes. Can you handle it? If you think it's impossible to sweat buckets in under two minutes, you haven't tried this challenge from Todd Durkin, C.S.C.S., author of The IMPACT! Body Plan.
Whether it's to focus at work, do better at school, or just stay sharp, there are various reasons for wanting to boost brainpower. But maintaining psychological well-being is equally as important. "Stress
From the editors at ELLE.com, the science behind your "likes" Sometimes, when I find only a fraction of the "likes" that I expected in that crucial first hour following an Instagram upload, I start walking