Drop in any lecture, podcast or talk. Get back five layers of knowledge — an enriched article, the principles, the mental models, the abstractions, and key ideas for recall.
Physionic · Health · 23 min
Cortisol is blamed for everything from belly fat to burnout. The evidence is more nuanced: it's a vital regulator whose effect depends entirely on dose and duration.
A glucocorticoid hormone from the adrenal glands that mobilizes energy and coordinates the body's stress response.
Unrelenting stress keeps the HPA axis firing, so cortisol stays high and target tissues blunt their own receptors.
It's the chronic, unremitting elevation — not the hormone itself — that drives the harm.
The body constantly adjusts to hold its internal state within a stable range.
A dose that helps in small amounts can harm in large or prolonged ones.
Outputs loop back to regulate their own production.
Cells stop responding to cortisol, so it can no longer calm inflammation.
It's a regulator; the harm comes from chronic excess, not the molecule.
No setup, no notes-app gymnastics. Paste a link, give it a few minutes, and start learning.
Drop in any lecture, podcast, talk or interview — long-form is exactly where it shines. That's the whole setup.
It works through the full transcript — not a clip — and builds a structured, color-coded article. Most are ready in a few minutes; very long videos take a bit longer.
Every article feeds a personal knowledge base you can search across. Keep it private, or publish it to the shared member library with one click.
A summary tells you what was said. We extract how it works, why it's true, and what to remember.
The full talk rewritten as a clean, readable article with color-coded definition, mechanism, example, pitfall and takeaway boxes.
The underlying rules that make the topic work — each paired with the reasoning chain that justifies it.
The transferable thinking tools you can carry to new problems — named, defined and ready to reuse.
The coined, compact handles that pack a whole idea into a phrase — easy to remember and reuse across topics.
The handful of points worth remembering, written for spaced recall so they actually stick.
Everything turns watching into a library you can actually use.
Principles and mental models from every video you process, aggregated and browsable in one place.
Key terms are highlighted with hover tooltips, so you never lose the thread on jargon.
Instantly search across everything you've saved — every principle, model and idea.
Read the article in your language regardless of the video's original language.
Members can make their own processed materials public, so everyone with an account can find them — a growing common library, in your language.
If a video was already processed in your language — by you or another member — you get it added instantly, with no credits used.
Classic, Nocturn and Dark — comfortable reading day or night.
Send any article with a single private link — to anyone, even people without an account.
Paste a whole playlist or a multi-hour lecture or film — we handle the length and turn each video into its own structured article.
Got a playlist or a big backlog? Turbo runs many videos at once instead of one at a time. It doesn't make a single video faster, and it's optional — without it, processing just goes at a steady pace, at no extra cost.
A real example — generated from a full talk, not hand-written. Anyone can read our examples; members also unlock the full shared library.
Andrew Huberman
Enriched article + principles + mental models extracted from a full science-of-training conversation.
Read this exampleYou pick one language — for both the interface and the generated material. The source video can be in a completely different language; we handle the translation.
Create an account and get credits to try processing your first videos — full output, nothing held back.
A simple annual membership is coming — it unlocks unlimited use of the app and the shared member library. Credits stay metered and fair.
Long-form, idea-dense content — lectures, podcasts, talks and interviews. The richer the talk, the more there is to extract.