Articles
Evidence-led writing on desks, food, movement, sleep, focus and AI · for people whose job keeps them at a screen.
Always-listening AI wearables and your memory: does a “second brain” weaken your real one?
A device that records everything you hear will not damage your memory the way a head injury does.…
Do Multivitamins Do Anything for Energy or Stress?
The effects are small and real. The moderator finding underneath them says more about what people were eating…
“AI anxiety”: is worrying about AI taking your job affecting your health?
Worrying that AI will take your job is a form of perceived job insecurity, and perceived job insecurity…
Does Exercise Actually Work as a Treatment for Depression?
The evidence is unusually large for a lifestyle intervention and its own authors rate their confidence in it…
AI sycophancy: what it means when your assistant agrees with everything
Sycophancy is the documented tendency of AI assistants to agree with you, praise you, and adjust their answers…
Do You Actually Need 10,000 Steps a Day?
The most famous number in health had no research behind it. The research that eventually arrived says something…
“Cognitive debt”: what the MIT “Your Brain on ChatGPT” study actually found
The MIT study did find something: people who wrote essays with ChatGPT showed weaker EEG connectivity, felt less…
Vibe coding: what the data say about shipping code you didn’t read
Every developer now has an opinion about vibe coding, and most of those opinions are calibrated against how…
Zone 2 cardio: what the physiology supports and what the hype invented
Zone 2 cardio has become the flagship product of the longevity podcast economy: long, easy, conversational-pace sessions sold…
Meta’s display smart glasses: what a screen on your face does to your eyes and attention
Nobody has studied what Meta’s display glasses do to your eyes or your attention over months of daily…
GLP-1 drugs and the brain: what we actually know about food noise, focus and energy
Semaglutide (Wegovy, Ozempic) and tirzepatide (Zepbound, Mounjaro) are the most heavily discussed drugs of the decade, and much…
Does creatine help your brain, not just your muscles?
Creatine does something for the brain, but it is smaller and more conditional than the “focus supplement” framing…
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