What is the role of Vitamin A in cognitive function?

In a small study of 40 high-functioning elderly women, severe vitamin D deficiency (<25 nmol/L) was associated with a higher risk of non-AD dementias but ... Mar 2, 2023 ... The link with vitamin D in this study suggests that taking vitamin D supplements may be beneficial in preventing or delaying dementia. Mar 5, 2025 ... Kennedy Jr says vitamin A protects you from deadly measles. Here's what the study he cites actually says. Published: March 5, 2025 10:37pm EST. Jan 13, 2018 ... The results of previous studies3,12,15 have shown that most cases of potentially toxic 25(OH)D levels occurred due to use of high-dose vitamin D ... Aug 16, 2022 ... Taking extra vitamin D does not reduce bone fracture risk, according to a major study led by the Medical School's Meryl LeBoff. Jan 2, 2021 ... Older adults may have different vitamin and mineral needs than younger adults. Find recommended amounts and information on calcium, sodium, ... Aug 3, 2022 ... This information is for you if you want to know more about eating healthily in pregnancy. It also gives you advice about using vitamin supplements before you ... Jan 24, 2020 ... In a follow up study, Cameron and Pauling reported that 22% of vitamin C-treated cancer patients survived for more than one year compared to ... Feb 15, 2025 ... Vitamin D Deficiency. Jasleen Kaur; Swapnil Khare; Omeed Sizar; Amy Givler. Author Information and Affiliations ... The two main forms of vitamin A in the human diet are preformed vitamin A (retinol, retinyl esters), and provitamin A carotenoids such as alpha-carotene and ...