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Author Question: Ordinary arithmetic operations are meaningful a. only with categorical data. b. only with ... (Read 91 times) |
Chronic marijuana use can damage the white blood cells and reduce the immune system's ability to respond to disease by as much as 40%. Without a strong immune system, the body is vulnerable to all kinds of degenerative and infectious diseases.
Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
More than 4.4billion prescriptions were dispensed within the United States in 2016.
About 100 new prescription or over-the-counter drugs come into the U.S. market every year.
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.