It's not a random selection of Americans. There are so many things that differentiate Bostonians from others: ethnicity, weather, quality of air, work/life bala

It's not a random selection of Americans. There are so many things that differentiate Bostonians from others: ethnicity, weather, quality of air, work/life balance, sunlight, diet, activities, behaviours, stressors, flouride in the water, healthcare and access to it.