Survey: How often do you eat tuna?

Related: Diet and nutrition

1. Diet and nutrition
   1. Probiotics can prevent dangerous diarrhea
   2. People think they're eating less than they are
   3. Report questioning salt guidelines riles heart experts
   4. Chris Christie's weight-loss procedure doesn't always work
   5. Caffeinated gum raises health buzz
2. Headlines from AOL That's Fit
   1. Some Good News? Are Americans Cutting Back on Sugar Intake?
   2. I Ditched Dieting -- And So Should You
   3. Kate Bosworth's Fit Routine
   4. Should We Fear Our Genetics?
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