Cold war workers, sick from exposure to radiation years ago, now face a tangle of red tape between them and government compensation.

  Aided by global warming and globalization, Italy suffered the first outbreak of a tropical disease in modern Europe.

  Holiday shoppers may worry about whether the toys they buy contain lead, but some scientists are urging consumers to focus on the thousands of chemicals in everyday household items.

  One Equity Partners agreed to sell its stake in Quintiles Transnational, a big manager of clinical drug trials, to its C.E.O. and two buyout firms.

  Genentech appears to have resolved a dispute with ophthalmologists over use of the company?s drug Avastin to treat eye diseases.

  New evidence shows that drug makers Merck and Schering-Plough never published several studies that raised questions about a cholesterol drug?s risks to the liver.

  A former drug sales representative won the award despite the judge?s criticism that he should have brought the scheme to light earlier.

  Several plaintiffs?lawyers have asked that some of their clients be allowed to reject the $4.85 billion Vioxx settlement as others accept it.

  A debate over a hypothesis that cancers are fed by cancerous stem cells could affect the path of research.

  Giving credence to the long-held belief that orphanages stunt children?s mental development, a study shows that infants placed with foster families have higher I.Q.?s on average than those who remain in institutions.

  News of the pregnancy of Jamie Lynn Spears brought the subject of teenage pregnancy and sex suddenly into the air for mothers and daughters and fathers, too.

  N.Y.U. is dropping a controversial ad campaign aimed at raising awareness of children?s mental health disorders.

  What happened to all the lead-tainted products that have been recalled recently? Most, it turns out, may still be in consumers?hands.

  More than winter blahs, seasonal depression is recognized and treatable.