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Vaccines prevent between 2.5 and 4 million deaths every year.
About 100 new prescription or over-the-counter drugs come into the U.S. market every year.
This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.
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.
Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.
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