News

  1. Med-Start Kids: Pros, cons of Ritalin for preschool ADHD

    A long-term study indicates that 3- to 5-year-olds with attention-deficit hyperactivity disorder who are prescribed the stimulant Ritalin often show behavioral improvements but also display greater sensitivity to the drug's side effects than older children do.

    By Bruce Bower

  2. Genome Buzz: Honeybee DNA raises social questions

    Scientists have officially unveiled the DNA code of the western honeybee, the first genome to be sequenced for an animal with ultrastratified societies.

    By Susan Milius

  3. Gene might underlie travelers’ diarrhea

    Travelers to Mexico who get diarrhea are more likely than healthy travelers to have a particular variant form of the gene for the glycoprotein lactoferrin.