Word: cardiacs
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...Mystery of the Double Cardiac Arrest Even surgical residents used to the heady rush of "codes" occasionally encounter emergencies that throw them for a total loop
Researchers at Massachusetts General Hospital (MGH) have discovered in mice what they believe to be cardiac master cells, which have the potential of developing into the three different types of heart tissue. The breakthrough study, which will be published in the Dec. 15 issue of the journal Cell, raises hopes for new and far more effective drug and regenerative treatments for heart diseases. Scientists at Children’s Hospital Boston also independently discovered a different stem cell line that develops into two main cell types that form the heart. The results of the studies challenge the previous notion that...
News from the frontiers of heart research was mixed. Researchers discovered two genes that appear to contribute to early heart attacks, in part by causing blood to clot abnormally. A small emergency-room study found that drugs used to break up clots may help revive cardiac-arrest patients when such methods as CPR and electrical shock have failed. There were murkier findings regarding people with high levels of homocysteine, an amino acid linked to heart disease. Folic acid and B vitamins help bring homocysteine down, but one study cast doubt on whether this actually improves heart health...
...long. Will a cabbie's brakes fail when you're in the crosswalk? Will you have a violent reaction to bad food? And what about the risks you carry with you all your life? The father and grandfather who died of coronaries in their 50s probably passed the same cardiac weakness on to you. The tendency to take chances on the highway that has twice landed you in traffic court could just as easily land you in the morgue...
...nuclear power plants do pose dangers, the more imminent peril to both people and the planet comes from the toxins produced by coal-fired plants. Similarly, pollutants in fish can be dangerous, but for most people--with the possible exception of small children and women of childbearing age--the cardiac benefits of fish easily outweigh the risks. "If you can get people to compare," he says, "then you're in a situation where you can get them to make reasoned choices...