JAMA : the journal of the American Medical Association
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Randomized Controlled Trial
High-Dose Vitamin D Supplementation During Pregnancy and Asthma in Offspring at the Age of 6 Years.
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Observational studies suggest that diet is linked to cognitive health. However, the duration of follow-up in many studies is not sufficient to take into account the long preclinical phase of dementia, and the evidence from interventional studies is not conclusive. ⋯ In this long-term prospective cohort study, diet quality assessed during midlife was not significantly associated with subsequent risk for dementia.