# The Gary Null Show - 6-12-26

Page: https://stenobird.com/podcast/the-gary-null-show-542377/the-gary-null-show-6-12-26
Text version: https://stenobird.com/podcast/the-gary-null-show-542377/the-gary-null-show-6-12-26.md
Podcast: [The Gary Null Show](https://stenobird.com/podcast/the-gary-null-show-542377)
Published: 2026-06-12T17:19:17+00:00
Episode link: https://thegarynullshow.podbean.com/e/the-gary-null-show-6-12-26/
Audio file: https://mcdn.podbean.com/mf/web/xf27tz7gv6srwfek/The_Gary_Null_Show_-_6-12-26_9xqai.mp3
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JSON: https://stenobird.com/v1/public/podcasts/the-gary-null-show-542377/episodes/the-gary-null-show-6-12-26
Duration seconds: 2950

## Resource

HEALTH NEWS Study links low vitamin C levels in the blood plasma to reduced brain connectivity Study: Tart Cherry Supplementation Alters Muscle Protein Profile After Exercise Socioeconomic factors may leave more lasting imprint on children's brains than IQ or parenting style Fasting-mimicking diet reduces gum disease inflammation Low blood pressure shows strongest link to Alzheimer's disease Study links low vitamin C levels in the blood plasma to reduced brain connectivity Hirosaki University (Japan), June 10 2026 (News-Medical) Previous research has uncovered associations between diets higher in vitamin C and lower risk of cognitive impairment in older adults. However, few studies have looked directly at vitamin C levels in blood plasma and potential associations with brain structure and connectivity within brain networks. To help fill that gap, Nagaya and colleagues analyzed magnetic resonance imaging (MRI) scans and plasma vitamin C levels of 2,044 adults over the age of 64. Specifically, they measured the volume of each participant's gray and white brain matter (accounting for individual differences in total brain volume between participants). They also evaluated connectivity within the default mode network, which is associated with several cognitive functions, such as attention and autobiographical memory. After statistically accounting for other factors the researchers found that participants with lower plasma vitamin C levels tended to have lower gray matter volume, as well as lower connectivity within the default mode network. These findings suggest the possibility that optimal levels of vitamin C in blood plasma could potentially support cognitive function and counteract cognitive decline. However, the findings do not confirm any such cause-effect relationship…

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## Transcript

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