Summary of the Overview of Cognition and Vitamin D

- FACT: Cognitive decline is associated with low vitamin D levels. - FACT: Dementia is associated with low vitamin D levels. - FACT: Alzheimer's Disease is associated with low vitamin D levels. - FACT: Every single risk factor listed for Alzheimer's Disease is also a risk factor for low vitamin D levels - FACT: Elderly have very low levels of vitamin D (at least 4 reasons) - FACT: Elderly cognition gets worse as the elderly vitamin D levels get even lower (while in senior homes) - OBSERVATION: Elderly who get more vitamin D increase their vitamin D levels - OBSERVATION: Reports of increased vitamin D levels result in improved cognition - OBSERVATION: Several studies have shown a strong association of Alzheimer's Disease with a gene mutation which reduces vitamin D effectiveness - OBSERVATION: Alzheimer's Disease has been seen to halt when vitamin D was added. - clinical trial needed. - OBSERVATION: Several vitamin D intervention clinical trials are underway to prove the above (double blind) - FACT: Vitamin D is very low cost and had very very few side effects - CONCLUSION: Everyone concerned about cognitive decline or Alzheimer's Disease should start taking vitamin D

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Some of the references at VitaminDWiki

• Overview Evidence for vitamin D
• Vitamin D also PREVENTS many diseases and TREATS some
• All items in Vitamin D Blog
• Home Page
• Low cost and many forms of vitamin D
• Vitamin D 101
• Dementia 19X more likely if less than 10 ng of vitamin D – Jan 2012
• "Senior moment" 25X more likely with low vitamin D – Feb 2012
• Alzheimer's patients are genetically 70 percent more likely to be vitamin D in-efficient – Feb 2012
• Risk of cognitive decline 50 percent higher if <15 ng vitamin D – Aug 2011
• Vitamin D might might reduce dementia – Mar 2011
• Cognitive impairment 4X more likely when vitamin D less than 10 ng – Nov 2010
• Overview of Seniors and Vitamin D
• Do Vitamin D Deficiency and Cognitive Decline Go Hand-in-Hand? – Jan 2010
• Vitamin D less than 10ng associated with cognitive decline – July 2010
• Low Vitamin D Levels Associated With Increased Risk for Cognitive Impairment - July 2010
• Vitamin D and Risk of Cognitive Decline in Elderly Persons – June 2011
• Mood disorders 11X worse for older adults with low vitamin D – 2006
• Poorer teen cognition due to lower vitamin D or race – Dec 2010
• All items in category Seniors lack vitamin D 171 items as of Feb 2012
• Overview Rare Allergic reaction to vitamin D
  test yourself with low dose first, to be sure you are not the 1 in 300 who get an allergic reaction to vitamin D