NPA Slams Study Linking Calcium, Vitamin D Use To Increased Cancer Risk
Annals of Medicine study finds at least 1,000mg/day calcium supplementation associated with increased risk of cancer, but no association of cancer and high levels of calcium from foods. Natural Products Association says study included an ‘unhealthy’ cohort of patients.
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Meta-analysis finds omega-3 and folate can benefit heart-related health, but says association is weak and a combination of calcium and vitamin D may increase risk of stroke. CRN says study is a “coordinated, all-out assault on nutrition” with “major” limitation of omitting epidemiological studies.
Studies on supplements and brain health find no benefit in people with normal nutrient levels, says a group of 27 experts brought together by the American Association of Retired Persons. High-quality clinical studies of safety and efficacy of supplements in brain health outcomes are needed, they say.