Perhaps they can but until science can unlock the psychological interaction of people and food they're not going to change anyone's food habits. If you look at

Perhaps they can but until science can unlock the psychological interaction of people and food they're not going to change anyone's food habits. If you look at the progress of medicine with respect to addictive behaviors, there seems to be very little progress. I believe food eating behaviors are very similar. In fact I think obesity is the hardest addiction to overcome simply because you can't eliminate food from your diet as you can eliminate all other addictive substances. I know I've lost 30-40% of my weight several times and kept it off for a number of years but it always returns due to my inability to resist the psychological pressure to over eat and/or eat dense caloric foods.