Almost half of Americans facing knee arthritis

Related: Arthritis

1. Arthritis
   1. Vitamin D may not relieve arthritis pain
   2. Mysterious, severe arthritis plagues doc
   3. Little evidence that diet lowers Alzheimer's risk
   4. Extra weight piles on knee arthritis risk
   5. Hand splints ease arthritis pain
2. Top health stories
   1. Radioactive medical material's threat is to unwitting thieves
   2. 29,000 sign up for insurance on improved HealthCare.gov site
   3. Multiple births tied to fertility drugs on the rise
   4. 'Life is a miracle': Face transplants showing signs of success
   5. Some defibrillators may not deliver shock, FDA warns
3. Related videos and slideshows
   1. 
      Video
      Obama: 'If I need to fight another 3 years...I will'
   2. 
      Video
      Healthcare website still far from perfect
   3. 
      Video
      Can you be heavy but still healthy?
   4. 
      Video
      Insurance pros still find issues with Obamacare site
   5. 
      Video
      Obama: 'If I need to fight another 3 years...I will'
   6. 
      Video
      Healthcare website still far from perfect
   7. 
      Video
      Can you be heavy but still healthy?
   8. 
      Video
      Insurance pros still find issues with Obamacare site