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We found that low vitamin B12 levels were associated with a 2.4-times risk increase of insomnia symptoms and the association was significant in the older, female, and non-obese subjects
and Y-H H
J Alzheimers Dis JAD 90:681691 [DOI] [PubMed] [Google Scholar] Taher J et al (2022) Vitamins and Infusion of Levodopa-Carbidopa Intestinal Gel
2021;139 doi: 10.1016/j.biopha.2021.111580
doi: 10.1016/j.molcel.2023.07.030
