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Author Question: What does the ? represent in the bombardment equation of nitrogen-14? N + ? C + H (Read 29 times) |
If you could remove all of your skin, it would weigh up to 5 pounds.
The National Institutes of Health have supported research into acupuncture. This has shown that acupuncture significantly reduced pain associated with osteoarthritis of the knee, when used as a complement to conventional therapies.
Prostaglandins were first isolated from human semen in Sweden in the 1930s. They were so named because the researcher thought that they came from the prostate gland. In fact, prostaglandins exist and are synthesized in almost every cell of the body.
Excessive alcohol use costs the country approximately $235 billion every year.
Serum cholesterol testing in adults is recommended every 1 to 5 years. People with diabetes and a family history of high cholesterol should be tested even more frequently.