Want to stay flu-free this winter? Take COLD showers, scientists advise

Summary
A freezing cold shower might not be the nicest way to start the day, but scientists say it could be key to staying flu-free this winter.
Description from Daily Mail.
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Want to stay flu-free this winter? Take COLD showers, scientists advise
A freezing cold shower might not be the nicest way to start the day, but scientists say it could be key to staying flu-free this winter.
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