Researchers believe diet is a key element in brain health and in treating depression -- and say the #1 factor that you have control over in terms of your mental health is at the end of your fork. Susan Spencer reports. Rock star Jon Bon Jovi and his wife have opened restaurants that help feed the homeless and needy -- cooking up classic farm-to-table cuisine in a place that also dishes up hope. Tracy Smith has the story. And David Pogue tells us about a growing trend online -- where you WATCH people eat.

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