Exploring the circadian foundation of human health.
| Platform |  | Pricing | Freemium | Publishes | Daily |
|---|---|---|---|---|---|
| Issues | 325 | Founded | 3 years ago | Last Issue | 7 days ago |
| Active | |||||
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The Sun Is Still On
There’s a comment I see recycled constantly in health and wellness spaces online, especially on my Instagram. It goes something like “the atmosphere is being turned into a chemical sunscreen, the sun is being blocked, and we are all being s...
You're Waking Up at the Wrong Time
Most people who care about circadian health have absorbed the following instruction of “get morning light as soon as possible after waking.” This is correct, but incomplete. It sidesteps a more fundamental question, which is, “when should I...
What SAD Lamps Were Designed Around
SAD lamps were developed in the early 1980s. Melanopsin wasn’t identified in human retinal tissue until 2001. The ipRGC class wasn’t fully characterized until the mid-2000s. The retinohypothalamic tract’s spectral tuning was not understood....
On The Power of High Altitude Sun Exposure
Photo by Max Saeling on Unsplash
The dermatology establishment treats altitude sun as a liability. More UV, higher sunburn risk, apply SPF 50, wear a hat. That philosophy captures one variable and ignores many others.
When you look at th...
The Sun Comes With Instructions, But We Deleted the First Half
This reframe is everything.
Modern dermatology built its public posture on one isolated variable, that UV light damages DNA (which in and of itself is a lot more nuanced than it, therefore block it.
It sounds like the logical and scient...
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Authors
The writers behind this newsletter.
Circadian Heliotherapy. Restoring human health and sovereignty through circadian alignment. Building The 2AM Podcast.
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