Vitamin D may help prevent rheumatoid arthritis, suggests study

Higher doses may be needed, or possibly new treatment that bypasses or corrects vitamin D insensitivity, authors say

Maintaining sufficient vitamin D levels may help to prevent rheumatoid arthritis, according to researchers.

A study led by the University of Birmingham compared the ability of immune cells in blood from inflamed joints in people with rheumatoid arthritis to respond to the so-called sunshine vitamin.