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"Your body is not you": A journey into hot yoga
I refused to be the “gym guy” who couldn’t handle an hour of infernal chaturangas.
Jan 8
•
Paul von Zielbauer
33
19
3
December 2025
Brain "speed" games that lower dementia risk
The specific, concentration-heavy cognitive games that boost acetylcholine, a brain-protective neurotransmitter that declines as we age. (Solitaire …
Dec 31, 2025
•
Paul von Zielbauer
32
4
3
3 simple habits to achieve practical longevity
Start 2026 by avoiding the Longevity Industrial Complex. Instead, build strength through simplicity and innate discipline.
Dec 28, 2025
•
Paul von Zielbauer
21
14
1
The question to ask your younger self
Acquiring the discipline to make the most of your remaining years — with help from Fitzgerald and Roadmonkey.
Dec 21, 2025
•
Paul von Zielbauer
28
17
5
6:33
Is print the new vinyl? Meet the editors of Geezer
Watch the recorded live conversation with "Gen X whisperer" & best-selling author Jonathan Small.
Dec 16, 2025
•
Paul von Zielbauer
,
Jonathan Small
, and
Laura LeBleu
15
3
2
57:11
Substack's “wellness” doctors & AI transparency
Longevity literacy requires knowing when you're likely being fed machine-made content.
Dec 10, 2025
•
Paul von Zielbauer
38
28
11
Chart: Fitness trackers & health data privacy
A comparison of 11 different trackers' cost, functionality, data privacy/ownership, app fees & water resistance — because if you can't get it wet & own…
Dec 5, 2025
•
Paul von Zielbauer
12
8
1
November 2025
Saturday coffee: the post-45 curiosity dividend
Also: gymnasts rings for a killer 1-minute workout | Campbell's Soup is not good food
Nov 29, 2025
•
Paul von Zielbauer
24
9
3
Aging with relatives (a Thanksgiving special)
Strength as we get older includes our ability to understand the origin of beliefs and opinions that contradict our own.
Nov 28, 2025
•
Paul von Zielbauer
21
9
1
Herman Pontzer: DNA ≠ destiny; your parents' trauma in your genes; the "losing weight through exercise" myth
What an evolutionary anthropologist discovered living with Tanzanian hunter-gatherers.
Nov 25, 2025
•
Paul von Zielbauer
14
1
32:36
Saturday coffee: The myth of the ripped old guy
Plus: 5 books on "healthy aging" | Time magazine's imperfect aging series | clinical trials
Nov 22, 2025
•
Paul von Zielbauer
38
11
1
Redesigning your athletic identity after 50
You acquire new athletic skills in midlife. Do you have the discipline to alter your training?
Nov 20, 2025
•
Paul von Zielbauer
51
32
5
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