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← High-intensity exercise improves hippocampal structure and function…
17 connected korrents · 12 moments from 15 Nov 2019 to 18 Sept 2026.
Everything filed under health and fitness
health and fitness
Everything filed under Polyvagal theory
Polyvagal theory
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ambition
Everything filed under dementia
dementia 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: 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. 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: 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: Suppressing cortisol suppresses training adaptation; large spikes followed by quick recovery are what drive progress. — tap to centre the map on it Suppressing cortisol suppresses training adaptation; large spikes followed by quick recovery are what drive progress. Last stated 4 years ago
15 Feb 2023
AG
Andy Galpin — holds since 2023-02-15 — tap for who they are
Same subject: Overdoing high-intensity exercise before learning can leave you with reduced cerebral blood flow and make it hard to focus. — tap to centre the map on it Overdoing high-intensity exercise before learning can leave you with reduced cerebral blood flow and make it hard to focus. Last stated 2 years ago
6 Jan 2025
AH
Andrew Huberman — holds since 2025-01-06 — tap for who they are
Same subject: Moderate-intensity classes that leave women feeling smashed raise cortisol without producing the post-exercise growth hormone and testosterone response that would dampen it. — tap to centre the map on it Moderate-intensity classes that leave women feeling smashed raise cortisol without producing the post-exercise growth hormone and testosterone response that would dampen it. Last stated 2 years ago
22 Jul 2024
SS
Stacy Sims — holds since 2024-07-22 — tap for who they are
Same subject: Resistance training should be the bedrock alongside true high-intensity work; long easy zone 2 sessions suit mental health but are not optimal for body composition and metabolic health. — tap to centre the map on it Resistance training should be the bedrock alongside true high-intensity work; long easy zone 2 sessions suit mental health but are not optimal for body composition and metabolic health. Last stated 2 years ago
22 Jul 2024
SS
Stacy Sims — holds since 2024-07-22 — 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: 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. — tap to centre the map on it 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: Morale compounds in both directions, so when the work is going badly it is worth switching to easier work just to get something done. — tap to centre the map on it Morale compounds in both directions, so when the work is going badly it is worth switching to easier work just to get something done. Last stated 3 years ago
1 Jul 2023
PG
Paul Graham — holds since 2023-07-01 — 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
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 Read this korrent →
Cardio and weights build different brains: aerobic exercise benefits the gray matter and the hippocampus, resistance training the white matter.
Holds
Suppressing cortisol suppresses training adaptation; large spikes followed by quick recovery are what drive progress.
Holds
Overdoing high-intensity exercise before learning can leave you with reduced cerebral blood flow and make it hard to focus.
Holds
Moderate-intensity classes that leave women feeling smashed raise cortisol without producing the post-exercise growth hormone and testosterone response that would dampen it.
Holds
Resistance training should be the bedrock alongside true high-intensity work; long easy zone 2 sessions suit mental health but are not optimal for body composition and metabolic health.
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
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
Morale compounds in both directions, so when the work is going badly it is worth switching to easier work just to get something done.
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