Word: epidemiologist
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...access, they don't also get more pediatricians scanning for autism? Easterbrook, though intrigued by the study, concedes that it could be indoor air quality rather than television that has a bearing on the development of autism. On a more biological level there's this problem, says Drexel Univeristy epidemiologist Craig Newschaffer: "They ignore the reasonable body of evidence that suggest that the pathologic process behind autism probably starts in utero" - i.e., long before a baby is born...
...Fortunately, when outbreaks do occur, the Centers for Disease Control (CDC) in Atlanta is better equipped than ever to investigate clusters of disease cases and trace their cause. In this outbreak, the first call came into the CDC on Wednesday afternoon. An epidemiologist at the state health department in Wisconsin had been investigating almost 20 reports of E. coli poisoning in a matter of days, and after some initial labwork and extensive interviews with the victims, all of whom had reported bloody diarrhea, the scientists there suspected that bagged spinach might be the culprit, and called Atlanta. Shortly after...
...Published last year in the Journal of the American Medical Association, a comprehensive study designed to associate BMI and death risk sent shock waves through the international medical community. A research group led by Katherine Flegal, a senior epidemiologist at the U.S. Centers for Disease Control and Prevention, analyzed data from several large U.S. health studies conducted between 1976 and 2000, controlling for factors such as smoking, age, race and alcohol consumption. They found that while obesity caused about 112,000 deaths a year, being overweight prevented about 86,000 deaths annually. Based on those figures, the net U.S. death...
...lower blood pressure or cholesterol. Fundamentally, all these risk factors multiply one another, so if you can't turn one down, you turn others in the chain and you end up with the same sort of result." If you must fret about one risk factor, adds George Institute senior epidemiologist Rachel Huxley, then make it smoking, which more than 20% of Australian adults do regularly. "You've got a 50:50 chance of it killing you," she says. Statistically speaking, "if you and your best friend smoke, one of you will be killed...
...This issue is not black-and-white. David Whiteman, a Queensland Institute of Medical Research cancer epidemiologist, is in Seattle studying risk factors for a rare type of esophageal cancer whose incidence has risen in Australia recently. His conclusion-not yet reviewed by peers-is that "obese people have consistently raised risks of esophageal adenocarcinoma and that this risk is apparent even for modestly overweight people." On the more general issue of the risks of rising BMI, Whiteman says: "A few extra pounds is probably not going to hurt people and may even be advantageous to long-term survival...