I wonder how much of this is due to environmental and upbringing factors. How much coke / caffeine do kids drink these days? How much more exposure to media / a

I wonder how much of this is due to environmental and upbringing factors. How much coke / caffeine do kids drink these days? How much more exposure to media / apps possibly contributes to this? What about how our food is produced nowadays? I don't want to disregard someone's personal experience or health issue, but I think there are some cases where symptoms resembling ADHD can be aided by some lifestyle changes.