Vitamins: Benefit of the doubt vs. doubts about benefit
Negative studies have piled up, but are they a fair test?
Good news about vitamins is hard to find these days. Headline after headline — including a few in this newsletter — blare negative results. B vitamins don't prevent heart attacks. Vitamin E doesn't benefit people with Alzheimer's disease. Vitamins A, C, and E — no cancer protection there.