data point of 1: one of the friends who has brain fog now does not drink caffeine, alcohol, is a health nut (eats healht, cares about sleeping enough and does r

data point of 1: one of the friends who has brain fog now does not drink caffeine, alcohol, is a health nut (eats healht, cares about sleeping enough and does regular e exercise... more than me). again data point of 1. thanks for the "very helpful" suggestion.