Circadian biology from first principles. Fix your sleep, metabolism, and energy without drugs or confusion.
| Platform |  | Pricing | Freemium | Publishes | Daily |
|---|---|---|---|---|---|
| Issues | 348 | Founded | 4 years ago | Last Issue | 8 days ago |
| Active | |||||
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zaidkdahhaj.substack.comLatest Issues
The White Spots On Your Legs Are Not Sun Damage
I’ve had a number of people ask me about idiopathic guttate hypomelanosis or IGH for short. The word idiopathic means the medical establishment does not know the cause. Everything stacked on top of that word, every sunscreen lecture, is a s...
The Childhood Sunburn Story Has a Hole in It
Every dermatologist tells you the same thing. Childhood sunburns are the biggest risk factor for melanoma. Get burned young, pay for it decades later. Nothing about this is settled science. It’s an association, and a fairly weak one once yo...
Broken Darkness Causes Disease, Not Sunlight
There’s a concept buried in circadian biology that almost nobody outside a small group of chronobiologists understands, and once you see it, you can’t unsee it:
UV exposure isn’t a clean variable. It isn’t “good” or “bad.” It’s one half o...
"Sun Spots" Are Not Sun Damage
Centralized dermatology teaches that “sun spots” are a manifestation that results from accumulated solar exposure damage, a ledger where every hour outside gets tallied until the skin visibly cracks under the weight.
That model treats mel...
Skin Cancer Prevention Through a Circadian Lens
DISCLAIMER: The views expressed in this article are my own and represent my personal framework as a circadian biology educator and coach. This article is written for educational purposes only and reflects my interpretation of the existing s...
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Your doctor is afraid of the sun. I’m not. Circadian biology is the medicine they never taught.
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