Teenage boy goes blind after existing on Pringles and French fries – CNN

Eating a diet of French fries, Pringles and white bread was enough to make one boy lose his sight at the age of 17, according to new research.
— Read on www-m.cnn.com/2019/09/03/health/poor-diet-blindness-scli-intl/index.html

Although this was technically a “vegan diet”, it was clearly not a healthy one. Actually, most cases of B12 deficiencies are in omnivores, not vegans or vegetarians.

The best predictor of gut health and overall health is the variety of fruits and vegetables you eat. This ensures a broad array of vitamins and minerals and provides the largest variety of healthy microbes in your gut.