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After several reports of lead poisoning in Indian children in the Boston area were linked to consumption of Indian spices, researchers at Children's Hospital Boston and the Harvard School of Public Health decided to measure the amount of lead in the seasonings as well as in ceremonial powders commonly used to mark newborn Indian infants for religious and cultural purposes. (See the top 10 most dangerous foods...
...those of you now eyeing your cell phones suspiciously, it's worth noting that both the National Cancer Institute and the World Health Organization say there isn't evidence to support the assertion that cell phones are a public-health threat. But a number of scientists are worried that there has been a dangerous rush to declare cell phones safe, using studies they feel are inadequate and too often weighted toward the wireless industry's interests. An analysis published by University of Washington neurologist Henry Lai determined that far more independent studies than industry-funded studies have found at least...
With 270 million Americans and 4 billion people around the world using cell phones - and more signing up every day - a strong link between mobiles and cancer could have major public-health implications. As cell phones make and take calls, they emit low-level radio-frequency (RF) radiation. Stronger than FM radio signals, these RF waves are still a billionth the intensity of known carcinogenic radiation like X-rays. (See pictures from an X-ray studio...
That's exactly what Boland and other advocates of warning labels are arguing. It's true that cell-phone use has yet to be linked to cancer risk. "Scientifically speaking, we don't have the proof yet," says Sadetzki. "But as a public-health concern, I'm saying we definitely should adopt precautions...
...overwhelming majority of the more than 40,000 public-school teachers in a wide-ranging survey reported that too many students leave high school ill-equipped. The Gates Foundation--funded study suggests that clear standards, student performance evaluations and teacher assessments are among the keys to improvement. Only 45% of teachers said that higher salaries--often touted as a panacea--are "absolutely essential" to retaining good instructors. Some 68%, however, cited quality leadership...