Pass the chocolate: Study finds it's heart-healthy

Related: Heart health

1. Heart health
   1. Anger may raise heart attack risk, study finds
   2. Just one daily soda can raise diabetes risk
   3. Gut bugs linked to heart attacks, strokes
   4. 12 school football players die each year, study finds
   5. Chelation little help for heart disease: study
2. Top health stories
   1. 'Why would we wait?': Sisters face Jolie cancer dilemma
   2. Fitness protects men from cancer, even 20 years later
   3. Gymnophobics are real-life 'never-nudes'
   4. Chorus of critics greets new psychiatric manual
   5. Aimee Copeland gets new high-tech hands
3. Related videos & slideshows
   1. 
      Video
      More young people having strokes, study says
   2. 
      Video
      Teen receives heart of childhood friend
   3. 
      Video
      Antibiotic-resistant bacteria found in ground turkey
   4. 
      Video
      Can gene therapy trial offer new hope to heart patients?