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Author Question: By adolescence, individuals begin to recall more irrelevant information and less relevant task ... (Read 31 times) |
There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
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.
Multiple sclerosis is a condition wherein the body's nervous system is weakened by an autoimmune reaction that attacks the myelin sheaths of neurons.
Today, nearly 8 out of 10 pregnant women living with HIV (about 1.1 million), receive antiretrovirals.
Human kidneys will clean about 1 million gallons of blood in an average lifetime.