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Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.
The longest a person has survived after a heart transplant is 24 years.
The word drug comes from the Dutch word droog (meaning "dry"). For centuries, most drugs came from dried plants, hence the name.
According to the American College of Allergy, Asthma & Immunology, more than 50 million Americans have some kind of food allergy. Food allergies affect between 4 and 6% of children, and 4% of adults, according to the CDC. The most common food allergies include shellfish, peanuts, walnuts, fish, eggs, milk, and soy.
Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.