News tagged with heart beat

How do you mend a broken heart?

Damaged heart tissue is not known for having much inherent capacity for repair. But now, scientists are closing in on signals that may be able to coax the heart into producing replacement cardiac muscle cells. Using a zebrafish ...

dateDec 22, 2011 in Biochemistry
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Recycling pacemakers could save lives in needy countries

In the United States, pacemakers cost $10,000 to $50,000 to implant. About 100,000 Americans undergo the surgery each year. These life-saving devices, however, are mostly discarded in medical waste or buried with people when ...

dateDec 20, 2010 in Health
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The impact of sleep deprivation in children

We all know kids, especially, need a good night's sleep in order to thrive. After studying thousands of children, psychologist Mona El-Sheikh, a professor of child development, says children who don't get ...

dateNov 16, 2010 in Health
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