Dr. Rhonda Patrick discusses a study that found vitamin D supplementation was associated with a 40% lower risk of dementia. ... vitamin d alzheimer's dementia supplements

Although vitamin D is best known for its role in bone health, this fat-soluble vitamin participates in many physiological processes, such as blood pressure regulation, immune function, and cell growth. Now, new research shows that vitamin D also supports neurodevelopment. Young children who received supplemental vitamin D were less likely to have neurobehavioral problems later in childhood than those who didn't. Researchers gave 346 infants either low-dose (400 IU) or high-dose (1,200 IU) vitamin D daily from two weeks to two years of age. Then, when the children were between six and eight ye... vitamin d brain behavior mental health development

Taking vitamin D may prevent Alzheimer's disease, a new study shows. People who took vitamin D were 40 percent less likely to develop Alzheimer's disease than those who did not. The study involved more than 12,000 adults who were dementia-free at the time of enrollment. Participants provided information about their vitamin D intake and underwent regular cognitive evaluations over a period of 10 years. Even after taking other risk factors into account, such as age, sex, education, race, cognitive diagnosis, depression, and whether they carried the APOE4 gene, people who took vitamin D were 40... vitamin d brain alzheimer's aging

People with higher brain concentrations of vitamin D were 25 to 33 percent less likely to develop dementia or cognitive impairment, a recent study has found. Those with higher vitamin D concentrations also performed better on tests of cognitive function than those with lower concentrations. The study involved 290 participants enrolled in the Rush Memory and Aging Project who had undergone regular physical and cognitive assessments when they were alive and agreed to donate their brains for study upon their deaths. Researchers measured concentrations of vitamin D in four regions of the participa... vitamin d brain alzheimer's dementia

Maintaining healthy vitamin D status may be an important, often overlooked factor in protecting against COVID-19-associated lung injury. ... covid-19 vitamin d

How do I decide how much vitamin D to supplement with? Can you get too much vitamin D? Is there a difference in vitamin D made from the sun versus a supplement? What form of vitamin D is more bioavailable and absorbed better? ... vitamin a