9 Tech Habits That Can Wreck Your Body (and How to Break Them)

Smarter ways to use your phone, computer and tablet
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Staring at your screen

Remember when you were little and your mom told you to stop staring at the TV or you would hurt your eyes? It’s the same thing now with your computer screen. To avoid eye strain and give your eyes a chance to relax, follow the 20-20-20 rule: Every 20 minutes, look at something at least 20 feet away for at least 20 seconds.

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