Researchers seek guidance on "preproposal" for in utero gene therapy.

Despite all this promising work, some epidemiological data comparing tea drinkers and non-tea drinkers does not support the claim that tea prevents cancer. One study even found tea drinkers have higher cancer rates than nontea drinkers; two others showed no tea effects. Difficulties sorting out possible confounding factors, such as other diet and health-related habits , may continue to hinder scientists searching for anticancer effects from tea, according to a spokesman from The Lipton TeaCo., Ltd., London. Another pitfall not understanding the compounds under study derailed a 9week, 24-subject, Liptonsponsored study. While looking for tea's effects on colon cancer markers, Blumberg 's ~ team from Tufts did not take into account cateCartoon by Steve TeTai chins'relativeNews . ................. .............