There is lesser known Hunza tribe which is believed to have some exceptional longer life span [https://www.tribes.world/hunza] There have been articles about secrete of their longevity [https://www.nomadictribe.com/discover/items/36] and [https://www.verywellhealth.com/the-hunza-valley-the-original...] Last but not least happiness is one of the key factor [https://zeenews.india.com/photos/world/happiest-healthiest-p...]