Wal-Mart said it would add about seven new compounds, including generic versions of the heart medication Coreg and the anti-fungal drug Lamisil, to the program.

  The study is unlikely to end the increasingly charged debate about vaccine safety.

  Understanding why body size matters in certain sports can open your eyes to other possibilities, exercise researchers say.

  Why is a model?s meal of choice a cigarette? Unlike eating disorders, smoking never seems to cause a peep of concern.

  LordPharaoh ImHotepAmonRa?s Egyptian Magic has become a glossy magazine darling, combining a rare mix of dark-horse cool and celebrity cachet.

  A group of seven of the world?s largest pharmaceutical companies hopes to develop genetic tests to determine which patients would be at risk of drug side effects.

  A Harvard student must be given extra break time during a medical licensing exam to pump breast milk, a Massachusetts appeals court judge ruled Wednesday.

  Senator Charles E. Grassley has asked Medtronic to explain any payments made to spine surgeons since its settlement last year over accusations that the company had paid kickbacks to doctors.

  Twenty-one people in eight states may have fallen ill after eating hamburgers possibly contaminated with E. coli, the Centers for Disease Control and Prevention said. The Topps Meat Company, based in Elizabeth, N.J., announced a recall on Tuesday of boxes of frozen hamburgers. The recall affects 331,582 pounds of frozen beef patties and 21 products distributed nationwide. Illnesses were reported in Connecticut, Florida, Indiana, Maine, New Jersey, New York, Ohio and Pennsylvania. A list of the recalled products is at www.toppsmeat.com.

  Dr. Sonnenblick?s research formed a basis for the modern treatment of heart failure, which has extended the lives of millions of people.

  Supporters of the measure fell short of the two-thirds majority they would need to override a veto of the bill repeatedly threatened by President Bush.