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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.
The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.
More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.
Your heart beats over 36 million times a year.
In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.