Superficial, populist and lacking focus. Jumps from topic to topic, such as attributing longevity of people of Okinawa to drinking sake then talking to Dalai Lama about trivialities of infants suckling milk from mother's breast , then to a crazy "gorilla run", then some positive public speaker talking to school children, then family members of victims of Japanese death from overwork are singing in public, etc. This film is clearly lacking focus, in my opinion. In my opinion there are many hormones and neurotransmitters and neuromodulators at complex play (oxytocins, endorphins, dopamine, and many others), but this film lumps everything into one bag, trumpeting the good things/influences and ignoring the bad. It is simply not that simple, I am afraid to say...