A study, in the online version of Journal of Epidemiology and Community Health, shows that high levels of vitamin D do not appear to boost the academic performance of teenagers. Earlier research demonstrated that higher vitamin D levels were associated with improved brainpower or cognitive function in adults, therefore, the researchers decided to establish whether the same also applied to children, and which effect different vitamins, which were sourced mainly from sunlight (vitamin D3) or from plants (vitamin D2), could have...
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