You're not in the MLM industry very long before you hear the phrase, "That's one of those pyramids!" Or the question, "Is this one of those pyramids?" I don't endorse this Web site but some people might find the article interesting.
Vitamin D Supplementation Found to Reduce Mortality in the Elderly Summary: In a meta-analysis of prospective, population-based, cohort studies, researchers found that an increase in vitamin D levels was associated with a lower mortality rate in the general elderly population. Review and meta-analysis followed studies (n=12) involving elderly participants (n=32,142) whose vitamin D levels were measured.