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One Dose of Vitamin D Boosts TB Immunity
(NY, Reuters Health, 8/2/07)
Dr. Adrian R. Martineau, of Queen Mary's School of
Medicine and Dentistry, London, and team, gave192 healthy
adults who had been exposed to tuberculosis either one dose
of 2.5 mg of vitamin D or a placebo. One hundred and thirty
one subjects were included in the final analysis, 64 of whom
had taken the placebo, while 67 had gotten vitamin D. Six
weeks later, the investigators tested the participants for
evidence of Mycobacterium tuberculosis and concluded that
vitamin D had significantly enhanced the subjects' immunity
to tuberculosis, compared to the placebo group. These
findings suggest that vitamin D may block reactivation of
latent TB infection.
(American Journal of Respiratory and
Critical Care Medicine, July 15, 2007) |
Article Summary