• Study suggests too many invasive heart tests given
  • Panel: Women need chance to avoid repeat C-section
  • CDC uses shopper-card data to trace salmonella
  • Hoped-for drop in childbirth deaths not happening
  • Court will hear case about vaccine side effects
  • Researchers: AIDS virus can hide in bone marrow
  • Brazil's Silva quits smoking after 50 years
  • WHO: over 85M African kids get polio vaccination