10 Simple Ways to Prevent Colds and the Flu
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Get Plenty of Rest
When you're sleeping, resting, or relaxing, your immune system uses the downtime to hunt and destroy harmful germs. But lack of sleep and high stress levels leave you susceptible to invasion. Get enough sleep to give your white blood cells the time they need to do their job. Adults need at least seven to eight hours of sleep a night, and children need even more.
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