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Author Question: The actions of this enzyme in utero may provide the proximate explanation for sex differences in ... (Read 56 times) |
There are more nerve cells in one human brain than there are stars in the Milky Way.
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.
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 heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.
Anti-aging claims should not ever be believed. There is no supplement, medication, or any other substance that has been proven to slow or stop the aging process.