|
Author Question: Which of the following choices is a diastereomer of the first structure shown. (Read 16 times) |
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 most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.
Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.
The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").