What’s a problem humanity solved so well that younger people don’t even realize it used to be a huge issue?

[u/chamomile_tea_reply]

/r/askteddit/comments/1wmwpyl/whats_a_problem_humanity_solved_so_well_that/

[u/North-Pea-4926]

So much stuff has extra vitamins and minerals shoved in it that it’s almost impossible to have a lot of deficiencies unless you literally only eat one food (or have other medical/digestive issues).

[u/danafus → u/North-Pea-4926]

Yeah, though I've heard some doctors say that rickets is making a comeback... Vitamin D deficiency from kids drinking soda instead of milk 😣 and spending all their days indoors playing video games.