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Author Question: Exhibit 4-1While her kid brother is on a wooden horse at the edge of a merry-go-round, Sheila rides ... (Read 41 times) |
Vaccines prevent between 2.5 and 4 million deaths every year.
There are 60,000 miles of blood vessels in every adult human.
The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").
As many as 20% of Americans have been infected by the fungus known as Histoplasmosis. While most people are asymptomatic or only have slight symptoms, infection can progress to a rapid and potentially fatal superinfection.
Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.