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In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).
Asthma is the most common chronic childhood disease in the world. Most children who develop asthma have symptoms before they are 5 years old.
There are more sensory neurons in the tongue than in any other part of the body.
The human body's pharmacokinetics are quite varied. Our hair holds onto drugs longer than our urine, blood, or saliva. For example, alcohol can be detected in the hair for up to 90 days after it was consumed. The same is true for marijuana, cocaine, ecstasy, heroin, methamphetamine, and nicotine.
Allergies play a major part in the health of children. The most prevalent childhood allergies are milk, egg, soy, wheat, peanuts, tree nuts, and seafood.
![The tiger, Panthera tigris, was historically found throughout much of Asia, but at low population de](https://biology-forums.com/gallery/47/medium_33_22_09_11_9_37_27_18051031.jpeg)
![The Blue-bearded Bee-eater Nyctyornis athertoni is a large species of bee-eater found in South Asia.](https://biology-forums.com/gallery/47/medium_12359_29_04_12_6_13_32.jpeg)