Constipation linked with cognitive decline, research finds
Editor’s Note: Sign up for CNN’s Eat, But Better: Mediterranean Style. Being chronically constipated, defined by the authors as having a bowel movement only every three or more days, has been linked with a 73% higher risk of subjective cognitive decline, according to research presented Wednesday at the Alzheimer’s Association International Conference in Amsterdam. “We were surprised at how strong the associations were, especially for those with very infrequent bowel movements.” About 16% of the worldwide adult population experiences constipation, but it’s even more common among older adults due to age-related factors such as lack of exercise and dietary fiber, and the use of medicines that can cause constipation as a side effect. “The brain is not completely isolated from what’s happening in your blood flow.” Bowel movements and the brain This research wasn’t “designed to test the causal relationship between bowel movements, the gut microbiome and cognitive health, so we cannot firmly draw conclusions regarding the precise causal sequence underlying this association,” Ma said. But bowel movement frequency and subjective cognitive function were also linked with the participants’ gut microbiomes, the authors found.

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