Until today’s modern transport and refrigeration of foods, a pure “vegan” eating style was not possible. Just 1% of Americans eat a “vegan” diet, down from 2% about 20 years ago.
This is a surprisingly honest look at vegan eating and the risks of choosing that approach: Can a Vegan Diet Help You Live Longer and Age Better?
To eat vegan, long term, most people – especially older adults – will need to have their blood tested from time to time for nutrient deficiencies and will need to take various vitamin supplements to address the shortages of those nutrients in vegetable-based diets.