Reletter
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A newsletter about the hunt for understanding and insight in the face of complexity.

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PricingOnly free issuesPublishesInfrequently
Issues11Founded4 years agoLast Issue3 months ago
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Latest Issues

Longevity influencers are curiously silent about a core driver of unhealthy aging. Why?

Many thanks to Yael Courtney, PhD, for her input and help with this essay - and for her incredible research in this field.

Disclaimer: this article was written before it was discovered that Peter Attia was repeatedly connected to convicte...

3 months ago
27
1

You are probably getting brain damage from all those COVID infections.

It has been half a decade since the COVID-19 virus burned over the world, leaving millions dead or disabled, and forever changing the landscape of modern life. While the days of lockdowns, mask mandates, and weekly testing are long behind u...

4 months ago
328
48

ME/CFS and HIV/AIDS: A tale of two illnesses

In the 1970s and early 1980s, two terrible diseases silently, and almost entirely unnoticed, became epidemics. These two were strange twins; with similarities in history, form, and function. They brought ruination to lives of untold million...

10 months ago
28
7

The 4chan-Tumblr War never ended - instead it ate the world.

In 2014, two online communities went to war. The belligerents were fairly niche social media boards: 4chan and Tumblr. While their short-lived conflict amounted to little more than a curious moment in Internet history, I have become convinc...

a year ago
10

The potential problem lurking in psychedelic neuroscience.

We are living in a golden age of psychedelic neuroscience. The proverbial “psychedelic renaissance” has been well underway for over a decade at this point, and scientists are tackling the mysteries of the psychedelic state with tools that w...

2 years ago
16
2

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  • Thomas F. Varley, PhD

    Dual PhD in Computational Neuroscience and Complex Systems. Thinking (and occasionally writing) about complexity in nature and society.

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