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Author Question: The largest single cause of extinctions is toxic substance pollution. Indicate whether the ... (Read 127 times) |
Since 1988, the CDC has reported a 99% reduction in bacterial meningitis caused by Haemophilus influenzae, due to the introduction of the vaccine against it.
About 3.2 billion people, nearly half the world population, are at risk for malaria. In 2015, there are about 214 million malaria cases and an estimated 438,000 malaria deaths.
Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.
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.
Blood is approximately twice as thick as water because of the cells and other components found in it.