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Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.
By definition, when a medication is administered intravenously, its bioavailability is 100%.
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.
A strange skin disease referred to as Morgellons has occurred in the southern United States and in California. Symptoms include slowly healing sores, joint pain, persistent fatigue, and a sensation of things crawling through the skin. Another symptom is strange-looking, threadlike extrusions coming out of the skin.
The longest a person has survived after a heart transplant is 24 years.

