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How Many Times Can You Reuse a Water Glass Without Getting Sick?

Image by Shutterstock You keep a water glass beside your bed to make sure you’re chugging plenty of H20. That’s great: But let’s be honest—the glass just stays there for days, as you dump out the excess and just keep filling it back up. So how gross is that, really? Related: Your Dumbbell Has 362…

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How to Do the Cuban Press

Image by Shutterstock Your rotator cuff is the group of muscles and tendons that both stabilize your shoulder and allow it to rotate. For such an important piece of your anatomy, though, you rarely hear anyone talk about training to strengthen it. That’s a shame. Strong rotator cuff and scapular muscles will not only prevent…

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The Number of People Who Are Probably Reading Every Sext You Send

Image by Shutterstock When you send out a racy picture, you hope it’s a “for your eyes only” situation: But about 1 in 4 people actually show sexts to others, a new study from Indiana University found. Researchers polled more than 5,800 adults and found that nearly 25 percent of them had shared a sext…

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How to End Shoulder Pain From Lifting

Image by Shutterstock Shoulder injuries don’t discriminate. They account for up to 36 percent of all major weight-room injuries (that is, the ones severe enough to require medical attention), and they target big and small guys equally. Morey Kolber, Ph.D., C.S.C.S., was one of those casualties. “I separated one shoulder and partially tore the rotator…

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The Exercise You Should Do Every Day to Avoid Shoulder Pain

Image by Shutterstock Shoulder expert Morey Kolber, Ph.D., C.S.C.S., discovered two big differences between lifters with shoulder pain and those without: The pain-free lifters were more likely to do external-rotation strengthening exercises (see the exercise you should do every day, below). These moves target your external rotators, small muscles at the back of your shoulders…

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Do You Really Need to Floss?

Photograph by Thinkstock You may have noticed a recent wave of headlines suggesting that flossing is overrated. The news stems from an Associated Press article entitled: “Medical benefits of dental floss unproven.” The article suggests that many of the studies that back flossing are too small, too short term, inconsistent, or otherwise unreliable. This isn’t…    |      2015