The bbc have done some new research (overseen by scientists from Oxford/Cambridge) into personalised diet plans. It basically identifies 3 types of eaters and the best suited diet for them.
So feasters (who find it hard to stop once they start eating)
Cravers (who feel hungry all the time)
Emotional eaters (who turn to food when they get stressed or anxious.)
They suggest feasters should eat high protein, low glycaemia index (GI) diet
Cravers should do the 5:2
Emotional eaters should do CBT
www.bbc.co.uk/news/magazine-30709297