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This is the best exercise to pump up aging muscles

For decades, competitive athletes have used high-intensity interval training (HIIT) to improve their performance. Now this exercise approach—alternating brief periods of intense exercise with short recovery breaks—has caught on with people of all ages and […]

10 tips for falling asleep fast

Few workweek roadblocks are more frustrating than trying (and failing) to catch enough sleep ahead of a busy day. Throw smartphone screens, workplace stress and old-fashioned restlessness into the mix, and falling asleep can feel […]