AP - President Bush on Wednesday signed legislation to protect people from losing their jobs or health insurance when genetic testing reveals they are susceptible to costly diseases.

AP - The urge to smoke is contagious, but quitting apparently is, too. A team of researchers who showed that obesity can spread person-to-person has found a similar pattern with smoking cessation: A smoker is more likely to kick the habit if a spouse, friend, co-worker or sibling did.

AP - Sen. Edward Kennedy's diagnosis of a malignant brain tumor left Congress this week without its best dealmaker as well as its boldest liberal, a politician known simultaneously for his staunch left-wing positions and for his willingness to work with right-wing lawmakers to get legislation passed.

AP - Sen. Edward Kennedy's diagnosis of a malignant brain tumor left Congress this week without its best dealmaker as well as its boldest liberal, a politician known simultaneously for his staunch left-wing positions and for his willingness to work with right-wing lawmakers to get legislation passed.

AFP - Veteran US Senator Edward Kennedy left hospital Wednesday giving a thumbs up to waiting supporters a day after doctors announced he had a malignant brain tumor.

Reuters - The U.S. Medicare program may expand reimbursement for bariatric surgery for the obese, in light of a study that found the treatment can help reverse diabetes, the agency said on Monday.

AFP - Scientists experimenting with genetically-modified mice said on Wednesday they had unveiled a molecular pathway that helps explain drug addiction and appetite.

AFP - Child obesity is ballooning into a big problem in China as 'little emperors' are increasingly getting an appetite for the Western couch-potato way of life, according to a study presented in Geneva.

AP - Google's online filing cabinet for medical records opened to the public Monday, giving users instant electronic access to their health histories while reigniting privacy concerns.

AP - A malignant glioma — the diagnosis doctors gave Sen. Edward M. Kennedy — is the worst kind of brain cancer. Malignant gliomas strike almost 9,000 Americans a year. Survival statistics are grim — few live three years and for the worst subtype, half die within a year.