11-03-16 From 1965 to 2007, the population prevalence of persons who smoked 20 or more cigarettes per day declined significantly, and there was also a decrease in the prevalence of smoking 10 or more cigarettes a day, with these declines greater in Californi...

11-03-04 People who lead an active lifestyle are up to a third less likely to develop polyps which can develop into bowel cancer, according to a study. 一项研究显示，具有积极生活态度的人的身体有1/3的机会不会产生息肉，息肉可进一步发展至肠癌。 Regular exercise...

11-03-04 Exposure to second-hand tobacco smoke as a child or adult appears to increase a woman's risk of breast cancer, experts say. 专家表示，暴露于二手烟环境中的儿童或成人患乳腺癌的风险加大。 Their study of nearly 80,000 women found breast cancer risk was...

11-03-02 Postmenopausal women who smoke or used to smoke have up to a 16% higher risk of developing breast cancer compared to women who have never smoked, finds research published on bmj.com today. The study also says that women who have had extensive exposu...

11-02-17 When doctors discover high concentrations of regulatory T cells in the tumors of breast cancer patients, the prognosis is often grim（冷酷的，糟糕的） , though why exactly has long been unclear. Now new research at the University of California, San...

11-02-15 A court in Ecuador has fined US oil giant Chevron a $8.6bn (5.3bn) for polluting a large part of the country's Amazon region. 厄瓜多尔一家法庭处罚美国石油巨头雪佛龙86亿美元，因其污染了该国亚马逊河流域一大片土地。 The oil firm Texaco, which merged wi...

11-02-15 Researchers from Cleveland Clinic's Lerner Research Institute have discovered that resveratrol（白藜芦醇） a compound found in red wine when combined with rapamycin（雷帕霉素） can have a tumor-suppressing effect on breast cancer cells that are resi...

11-02-11 Those light-emitting diodes marketed as safe, environmentally preferable alternatives to traditional lightbulbs actually contain lead, arsenic（砷，砒霜） and a dozen other potentially hazardous substances, according to newly published research. LED...

11-02-09 An inadequate（不充分的） amount of sleep has been associated with higher risks of obesity, heart disease, diabetes, and death. Now colon cancer can be added to the list. In a ground-breaking new study published in the Feb. 15, 2011 issue of the jou...

11-01-30 An antibiotic known for its immunosuppressive（抑制免疫力的） functions could also point the way to the development of new anti-cancer agents, researchers at the Indiana University School of Medicine have reported. The study determined that the comp...