SOUTH Australian researchers have found vitamin D is unlikely to protect people from brain-related disorders like Alzheimer's disease, Parkinson's disease and multiple sclerosis, based on a systematic review of more than 70 pre-clinical and clinical studies.
The findings were released yesterday in Nutritional Neuroscience which reported that researchers had failed to find solid clinical evidence for vitmin D acting as a protective neurological agent.
"Our work counters an emerging belief held in some quarters suggesting that higher levels of vitamin D can impact positively on brain health," said lead author Krystal Iacopetta.
"Past studies had found that patients with a neurodegenerative disease tended to have lower levels of vitamin D ... this led to the hypothesis that increasing vitamin D levels ... could potentially have a positive impact," Iacopetta said.
Instead, the analysis showed that the link between vitamin D and brain disorders was likely to be associative, as opposed to a directly causal relationship.
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