5 papers1 finding
Polyphenols
upin humans1
Polyphenols improve cerebral perfusion in humans.
“polyphenol-rich supplements more consistently improved cerebral perfusion and functional connectivity”
Review
Nutrition research reviews24 Nov 2025
Blood flow in one brain region rose by 4.9 millilitres per 100 grams per minute more with spermidine than placebo over 12 months.Blood flow in one brain region rose by 4.9 millilitres per 100 grams per minute more with spermidine than placebo over 12 months.
Over 12 weeks, cognitive test scores improved by an estimated 4.95 points more with Tai Chi than with health education.Over 12 weeks, cognitive test scores improved by an estimated 4.95 points more with Tai Chi than with health education.
In 198 adults aged 40 to 65, larger brainstem volume tied to better memory, with the strongest link seen in participants with elevated arterial stiffness.In 198 adults aged 40 to 65, larger brainstem volume tied to better memory, with the strongest link seen in participants with elevated arterial stiffness.