Science is proving that when it comes to living a healthier life and very possibly a longer life, less definitely is more in regards to how much we eat.

Whereas before scientists were looking at a calorie restricted diet as the way to go, they are now discovering that there is a gene that is very important to the process as well.

As someone who has struggled with weight even on a healthy diet, the fact that it can get down to our very genes is intriguing.

For a round table discussion about the implications of longevity and what science is discovering, watch this video with Charlie Rose.