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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.
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Cocaine was isolated in 1860 and first used as a local anesthetic in 1884. Its first clinical use was by Sigmund Freud to wean a patient from morphine addiction. The fictional character Sherlock Holmes was supposed to be addicted to cocaine by injection.
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After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.
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Asthma cases in Americans are about 75% higher today than they were in 1980.
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Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.