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Author Question: Surveys show that since the early 1990s, the percentage of high school students who have engaged in ... (Read 53 times) |
The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.
Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.
Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.
Asthma-like symptoms were first recorded about 3,500 years ago in Egypt. The first manuscript specifically written about asthma was in the year 1190, describing a condition characterized by sudden breathlessness. The treatments listed in this manuscript include chicken soup, herbs, and sexual abstinence.
Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.