May 7, 2012 - A new study suggests newborn babies should be screened for heart defects. British researchers say a non-invasive test called "pulse oximetry" is an accurate, and cost-effective screening tool for heart defects. The test uses a sensor placed on the baby's foot that measures the amount of oxygen circulating in the blood stream. newborns often show no visible signs of heart defects, the condition can be fatal if not treated right away.
Also, whether you're a "slacker" or a "go-getter" could depend on the chemicals your brain releases. According to a brain-imaging study , people who released dopamine in the part of the brain that influences reward and motivation were willing to work hard. On the other hand, "slackers"- had high dopamine levels in the part of the the brain that influences emotion, and risk perception. researchers at vanderbilt university hope their findings will help treat attention-deficit disorder, and depression.
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