You know when it escapes into the mainstream it has truly escaped.
The real research and the statistics go way beyond this modest concession. They seem to indicate that there is no better way to take a dirt nap than to be diagnosed with a problem and treated by a doctor. Once they get you on their prostate cancer merry-go-round you're a walking dead man.
A fistful of vitamins and capsicum twice a day would serve you much better and nobody ever died from either. Especially not from vitamin D. Cut those rat poison carbs out of your diet to the greatest extent possible. Exercise, get sun and most of all sleep deeply 9 hours a night in a blacked out room.