While Japan has great national health insurance, you still have to pay 30% of it. So a month supply of Concerta will still cost you $100, which is a lot better than in the US without insurance, but it's not free.
What's nice are the yearly comprehensive medical checkups, what's not nice is your employer pays for it and gets a copy of the results too.
What's nice are the yearly comprehensive medical checkups, what's not nice is your employer pays for it and gets a copy of the results too.