Good Morning,
David Kessler is the former commisioner for the FDA… he is a medical doctor, lawyer and former dean of a medical school… A smart man to say the least.  I encourage you to take the time to read the whole article and share it with your friends.  
Have a healthy day!
Dr Pia
Kessler was on a mission to understand a problem that has vexed him since childhood: why he
can’t resist certain foods.
His resulting theory, described in his new book, “The End of Overeating,” is startling. Foods high in fat, salt and sugar alter the brain’s chemistry in ways that compel people to overeat. “Much of the scientific research around overeating has been physiology — what’s going on in our body,” he said. “The real question is what’s going on in our brain.”