Another anecdote: I've consumed on average multiple cans of soda a day since I was in highschool, and while this habit has had a disastrous impact on my health

Another anecdote: I've consumed on average multiple cans of soda a day since I was in highschool, and while this habit has had a disastrous impact on my health I have always had exceptionally good vision (I can read the bottom line on the eye chart).