Why Are So Many People Popping Vitamin D?

Vitamin D is being looked at as the new elixir missing in our far-from-perfect lifestyles. Are we overcorrecting it (according to this NYT article)?

I personally see many patients severely deficient. Maintaining normal range is important for vital body functions.

Worth getting a vitamin D level checked it you haven’t done it yet.

https://www.nytimes.com/2017/04/10/health/vitamin-d-deficiency-supplements.html