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← Walking three or four times a week grew older adults' hippocampus by…
17 connected korrents · 10 moments from 15 Nov 2019 to 18 Sept 2026.
Everything filed under health and fitness
health and fitness
Everything filed under dementia
dementia
Everything filed under Polyvagal theory
Polyvagal theory
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language learning
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physics Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Read this korrent: Walking three or four times a week grew older adults' hippocampus by one percent and left their memory better a year later, which no pill has managed. Walking three or four times a week grew older adults' hippocampus by one percent and left their memory better a year later, which no pill has managed. Last stated 3 months ago
13 Jul 2026
AC
Alan Castel — holds since 2026-07-13 — tap for who they are
Same subject: Five hours a week with grandchildren goes with better memory in older adults, and more than twenty hours a week does not. — tap to centre the map on it Five hours a week with grandchildren goes with better memory in older adults, and more than twenty hours a week does not. Last stated 3 months ago
13 Jul 2026
AC
Alan Castel — holds since 2026-07-13 — tap for who they are
Same subject: Training visual processing speed in later life lowers dementia risk two decades later, which continuing to do what you are already good at does not. — tap to centre the map on it Training visual processing speed in later life lowers dementia risk two decades later, which continuing to do what you are already good at does not. Last stated 3 months ago
20 Jul 2026
TW
Tommy Wood — holds since 2026-07-20 — tap for who they are
Same subject: Putting older adults into activities that are genuinely new to them improves cognitive function in randomised trials, with executive function the most reliable gain. — tap to centre the map on it Putting older adults into activities that are genuinely new to them improves cognitive function in randomised trials, with executive function the most reliable gain. Last stated 3 months ago
20 Jul 2026
TW
Tommy Wood — holds since 2026-07-20 — tap for who they are
Same subject: Cardio and weights build different brains: aerobic exercise benefits the gray matter and the hippocampus, resistance training the white matter. — tap to centre the map on it Cardio and weights build different brains: aerobic exercise benefits the gray matter and the hippocampus, resistance training the white matter. Last stated 3 months ago
20 Jul 2026
TW
Tommy Wood — holds since 2026-07-20 — tap for who they are
Same subject: High-intensity exercise improves hippocampal structure and function precisely because it releases a lot of cortisol, which is the opposite of the case made against hard training. — tap to centre the map on it High-intensity exercise improves hippocampal structure and function precisely because it releases a lot of cortisol, which is the opposite of the case made against hard training. Last stated 3 months ago
20 Jul 2026
TW
Tommy Wood — holds since 2026-07-20 — tap for who they are
Same subject: Perhaps 60 to 70 percent of exercise's effects on brain health, performance and longevity can be explained by the rise in autonomic arousal during and after exercise. — tap to centre the map on it Perhaps 60 to 70 percent of exercise's effects on brain health, performance and longevity can be explained by the rise in autonomic arousal during and after exercise. Last stated 2 years ago
6 Jan 2025
AH
Andrew Huberman — holds since 2025-01-06 — tap for who they are
Same subject: In a monotonous stretch of life the days crawl and the weeks vanish, because the sense of how much time passed is built out of what you can remember happening. — tap to centre the map on it In a monotonous stretch of life the days crawl and the weeks vanish, because the sense of how much time passed is built out of what you can remember happening. Last stated 2 years ago
25 May 2024
CR
Charan Ranganath — holds since 2024-05-25 — tap for who they are
Same subject: For long-term brain health, do something physically and psychologically challenging that you would rather not do at least once a week, as long as it is safe. — tap to centre the map on it For long-term brain health, do something physically and psychologically challenging that you would rather not do at least once a week, as long as it is safe. Last stated 2 years ago
6 Jan 2025
AH
Andrew Huberman — holds since 2025-01-06 — tap for who they are
Same subject: A celebrated popular science book can consistently misrepresent the literature it summarises and contradict its own sources. — tap to centre the map on it A celebrated popular science book can consistently misrepresent the literature it summarises and contradict its own sources. Last stated 7 years ago
15 Nov 2019
AG
Alexey Guzey — holds since 2019-11-15 — tap for who they are
Same subject: A conclusion being biologically reasonable is not the same as its having been proven. — tap to centre the map on it A conclusion being biologically reasonable is not the same as its having been proven. Last stated 3 months ago
11 Jul 2026
PA
Peter Attia — holds since 2026-07-11 — tap for who they are
Same subject: A drop in heart rate variability values typically precedes the onset of noticeable sickness symptoms by about a day. — tap to centre the map on it A drop in heart rate variability values typically precedes the onset of noticeable sickness symptoms by about a day. Last stated a month ago
18 Sept 2026
RM
Ray Maker — holds since 2026-09-18 — tap for who they are
Same subject: EFT tapping improves brain connectivity, heart rate variability, vagal tone, and reduces inflammation. — tap to centre the map on it EFT tapping improves brain connectivity, heart rate variability, vagal tone, and reduces inflammation. Last stated 2 years ago
21 Aug 2024
AS
Arielle Schwartz — holds since 2024-08-21 — tap for who they are
Same subject: Polyvagal theory survives the 2026 "untenable" critique: what the critics contested was mechanism and evolutionary framing, not the clinical proposition. — tap to centre the map on it Polyvagal theory survives the 2026 "untenable" critique: what the critics contested was mechanism and evolutionary framing, not the clinical proposition. Last stated 8 months ago
2 Mar 2026
AS
Arielle Schwartz — holds since 2026-03-02 — tap for who they are
Same subject: Regulation must precede reflection: cognitive insight fails while a nervous system is in defensive dominance. — tap to centre the map on it Regulation must precede reflection: cognitive insight fails while a nervous system is in defensive dominance. Last stated 8 months ago
2 Mar 2026
AS
Arielle Schwartz — holds since 2026-03-02 — tap for who they are
Same subject: Keeping a social network, staying curious and having a sense of purpose protect against dementia about as much as blood pressure and exercise do. — tap to centre the map on it Keeping a social network, staying curious and having a sense of purpose protect against dementia about as much as blood pressure and exercise do. Last stated 2 months ago
24 Aug 2026
MH
Masud Husain — holds since 2026-08-24 — tap for who they are
Same subject: The dementia risk from short sleep starts below six hours a night, not below eight. — tap to centre the map on it The dementia risk from short sleep starts below six hours a night, not below eight. Last stated 3 months ago
20 Jul 2026
TW
Tommy Wood — holds since 2026-07-20 — tap for who they are
Same subject: About half of all dementia is preventable, and most of that preventable half is Alzheimer's disease and vascular dementia. — tap to centre the map on it About half of all dementia is preventable, and most of that preventable half is Alzheimer's disease and vascular dementia. Last stated 3 months ago
20 Jul 2026
TW
Tommy Wood — holds since 2026-07-20 — tap for who they are
At the centre
Walking three or four times a week grew older adults' hippocampus by one percent and left their memory better a year later, which no pill has managed.
Holds Read this korrent →
Five hours a week with grandchildren goes with better memory in older adults, and more than twenty hours a week does not.
Holds
Training visual processing speed in later life lowers dementia risk two decades later, which continuing to do what you are already good at does not.
Holds
Putting older adults into activities that are genuinely new to them improves cognitive function in randomised trials, with executive function the most reliable gain.
Holds
Cardio and weights build different brains: aerobic exercise benefits the gray matter and the hippocampus, resistance training the white matter.
Holds
High-intensity exercise improves hippocampal structure and function precisely because it releases a lot of cortisol, which is the opposite of the case made against hard training.
Holds
Perhaps 60 to 70 percent of exercise's effects on brain health, performance and longevity can be explained by the rise in autonomic arousal during and after exercise.
Holds
In a monotonous stretch of life the days crawl and the weeks vanish, because the sense of how much time passed is built out of what you can remember happening.
Holds
For long-term brain health, do something physically and psychologically challenging that you would rather not do at least once a week, as long as it is safe.
Holds
A celebrated popular science book can consistently misrepresent the literature it summarises and contradict its own sources.
Holds
A conclusion being biologically reasonable is not the same as its having been proven.
Holds
A drop in heart rate variability values typically precedes the onset of noticeable sickness symptoms by about a day.
Holds
EFT tapping improves brain connectivity, heart rate variability, vagal tone, and reduces inflammation.
Holds
Polyvagal theory survives the 2026 "untenable" critique: what the critics contested was mechanism and evolutionary framing, not the clinical proposition.
Holds
Regulation must precede reflection: cognitive insight fails while a nervous system is in defensive dominance.
Holds
Keeping a social network, staying curious and having a sense of purpose protect against dementia about as much as blood pressure and exercise do.
Holds
The dementia risk from short sleep starts below six hours a night, not below eight.
Holds
About half of all dementia is preventable, and most of that preventable half is Alzheimer's disease and vascular dementia.
Holds