Key points from article :
Scientist develop a brain chip to suppress craving for food.
Responsive neurostimulation system (RNS) chip is implanted in the brain.
Identifies brain waves that anticipate a reward which can become linked with food.
Delivers a shock and neutralize those cravings.
Already tested on mice, and now plans to test on 18 morbidly obese humans.
Study by Stanford University, published in Proceedings of the National Academy of Sciences.