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Allergy misconceptions

Cleaner is not always better. "Cleanliness is next to godliness" has a nice ring to it. However, a little exposure to dirt and germs is actually a good thing during childhood, because it strengthens the immune system. When cleaning, always use products labeled nontoxic, and remove excess clutter from the sleeping area to reduce dust buildup.Howard Shooter / Getty Images/Dorling Kindersley