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Author Question: In recent research, young adults, middle adults, and late adults were shown photos displaying a mix ... (Read 38 times) |
To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.
In Eastern Europe and Russia, interferon is administered intranasally in varied doses for the common cold and influenza. It is claimed that this treatment can lower the risk of infection by as much as 60–70%.
Although puberty usually occurs in the early teenage years, the world's youngest parents were two Chinese children who had their first baby when they were 8 and 9 years of age.
Vaccines prevent between 2.5 and 4 million deaths every year.
There are over 65,000 known species of protozoa. About 10,000 species are parasitic.