: Older adults with cognitive decline who have higher levels of vitamin D in their brains had better cognitive function than their peers with lower levels of vitamin D.
Researchers at Tufts University have completed the first study examining levels of vitamin D in brain tissue, specifically in adults who suffered from varying rates of cognitive decline. They found that members of this group with higher levels of vitamin D in their brains had better cognitive function
I don't have pets because of allergies so I take 2 vitamin d.