iPad, tablets can cause neck pain—Harvard study: A deep ache in your neck, shoulder or arm. Burning or tingling of the arm or hand. Headaches. Limited neck movement or painful movement. Stiffness of the neck and shoulder muscles. Short bursts of excruciating pain in the arm, back or shoulders. Intense pain that lasts for two to three days. Or pain that starts gradually but worsens over time.
Did you know that you can get all that from using an iPad or any other computer tablet?
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U.S. panel calls for probe into nanotech’s safety, health risks: It’s become a multibillion industry and sales are expected to expand rapidly in the next decade.
Currently, it’s used in a growing number of state-of-the-art products like special zinc oxide sunscreens that seem to glide on the skin, extremely high-memory computer hard discs, non-friction swimsuits that help Olympic athletes swim faster, and catalytic converter components for cars that remove pollutive particles even before these can be released into the air.
It also promises to revolutionize medicine and health care, electronics and computers, energy production and conservation, environmental cleanup and protection, and world security and defense.
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Internet Addiction Effects Changes to Your Brain? Internet addicts have brain changes similar to drug addicts and alcoholics, Chinese scientists found in a recent brain scan of 17 young web addicts.
Preliminary research by a team from the Chinese Academy of Sciences in Wuhan showed that Internet addicts had changes in the white matter of their brains and disruptions in the connections in nerve fibers linking brain areas involved in emotions, decision-making and self-control.
Researchers say their discovery, published in the Jan. 11 issue of PLoS One, could lead to new treatments for addictive behavior.
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