This shows that the US and the EU are today more affluent than 100 years back but with it has come a dangerous neglect of healthy living that is destroying happiness for people as they reach the age of 70 yers. A lack of education about healthy living in schools and society is showing up. Only 10% of people in US and EU have good cognitive, physical and mental health in a major study from 3 Universities. The study tracked 100,000 people over 3 decades their eating habits and exercise and other variables and was done by University of Montreal, University of Copenhagen and Harvard. It shows how the quality of life has deteriorated in the US and the EU as diseases become more chronic for the heart, diabetes, and higher prevalence in population of obesity and substance use disorders. So that older people have more conditions and few can live healthy lives- less than 10% if this study is an indicator of the state of the Nation's health. One of the findings is that a plant based diet with moderate animal protein such as diary and fish is the best for reaching 70 years of age with the best quality of overall physical and mental health. ...