U.S. tried to bury pollutant study, group says

Related: More health news

1. More health news
   1. MRI scans could make baby autopsies more acceptable
   2. Doctors dismiss nurses' skills, survey finds
   3. Salmonella outbreak at Vegas eatery sickens 200
   4. Proper testing for hepatitis C a problem in U.S.
   5. Clenching your fists creates a stronger memory
2. Top health stories
   1. Search for survivors: 48-hour window of opportunity
   2. When school doesn't feel safe, facing facts helps
   3. Mystery illness strikes 7 in Ala.; 2 dead
   4. ICU culture affects when to pull the plug
   5. Okla. tornado injuries: Even the doctors are 'crying'
3. Related videos and slideshows
   1. 
      Video
      Mental health guide gets first update in 19 years
   2. 
      Video
      LAX lets the dogs out!
   3. 
      Video
      Medical disorder leaves woman lost in own home
   4. 
      Video
      Spike in suicides may be money related