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Drugs are in development that may cure asthma and hay fever once and for all. They target leukotrienes, which are known to cause tightening of the air passages in the lungs and increase mucus productions in nasal passages.
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Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.
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There are approximately 3 million unintended pregnancies in the United States each year.
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Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.
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More than 50% of American adults have oral herpes, which is commonly known as "cold sores" or "fever blisters." The herpes virus can be active on the skin surface without showing any signs or causing any symptoms.