I have received several questions about the relationship of Vitamin D and memory and cognition from the readers of my book. Results from several studies on memory and Vitamin D have not been consistent thus far.
Now, a new study, done by David Lee, M.D. and colleagues in England has been published. This study looked at over 3000 men from the ages of 40 to 79 from eight different centers. In this study after controlling for age and other factors, it was found that the lowest levels of vitamin D were associated with slower information processing speeds. This association was especially prominent when the men’s vitamin D levels were below 14 ng/ml. Of note, this study did not show a significant connection between vitamin D levels and memory.
Professor Tim Spector, of King’s College London, who researches Vitamin D in aging said “This is further evidence from observational studies that vitamin D is likely to be beneficial to reduce many age-related diseases.”
Of course, Dr. Lee and his colleagues have called for more prospective studies to determine whether Vitamin D might aid in reducing age-related declines in memory.
Once again, there is no harm in normalizing your vitamin D level and keeping it there until additional prospective studies on memory are accomplished. If your friends and loved ones are males in this age range please let them know about this study. Hopefully, it will motivate them to take their vitamin D every day.
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