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Green tea is able to stop the scent of garlic or onion from causing bad breath.
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In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.
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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
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Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.
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Asthma is the most common chronic childhood disease in the world. Most children who develop asthma have symptoms before they are 5 years old.