Can Vitamin C reverse Diabetes, Arthritis, or Cataracts?

Well, I came across A revealing study on vitamin C and it's effect on not only the immune system but several diseases response's to the Vitamin.

it basicly says:

certain dosages of vitamin C on a regular basis can not only delay the effects, but prevent them in most cases...

so why in the heck havent we been recommended more vitamin C!?

full article at:

http://dinersnation.com/forum/vitamin-cs-effe...