A shopper browses the bread aisle at a Fresh & Easy grocery on November 8, 2007 in Los Angeles, California.
One health-related ballot measure getting nationwide attention is Proposition 37 -- which goes to the heart of how much information consumers should have about their food. Prop. 37 requires labeling on raw or processed food that's made from certain genetically engineered materials. It also prohibits calling any foods like that "natural" on the packaging. Supporters say consumers have a right to this information. Opponents say the measure is misleading and full of loopholes.