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Drug abusers experience the following scenario: The pleasure given by their drug (or drugs) of choice is so strong that it is difficult to eradicate even after years of staying away from the substances involved. Certain triggers may cause a drug abuser to relapse. Research shows that long-term drug abuse results in significant changes in brain function that persist long after an individual stops using drugs. It is most important to realize that the same is true of not just illegal substances but alcohol and tobacco as well.
Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.
There are more sensory neurons in the tongue than in any other part of the body.
Illicit drug use costs the United States approximately $181 billion every year.
If you could remove all of your skin, it would weigh up to 5 pounds.