Welcome to Ben Greenfield’s Weekly Roundup!
On this weekly publish, I share with you my most attention-grabbing discoveries of the week, together with the most recent information on the fronts of health, diet, well being, wellness, biohacking, and anti-aging analysis. I additionally recap my upcoming occasions and particular bulletins so you’ll be able to sustain with alternatives to study, giveaways, reductions, and extra!
New Discoveries
AI Coaches “Taking Over”?! *This* New Analysis Says Human Teaching Nonetheless Wins The place It COUNTS… 🧠📊
Each few months, a brand new AI well being app drops, and coaches begin sweating.
The anxiousness is comprehensible. However analysis doesn’t assist the conclusion that coaches are “dying.” Right here’s what the info really says…
AI can generate a food plan plan, construct a progressive overload program, and calculate your whole every day power expenditure (TDEE) in seconds. However these duties are the least essential a part of what a coach does as a result of info has by no means been the bottleneck.
In one assessment that analyzed 284 peer-reviewed articles on well being teaching, 86% of research recognized “accountability inside an ongoing interpersonal relationship” as a core characteristic of efficient teaching, and 63% outlined teaching as energetic self-discovery slightly than passive recommendation supply. In the meantime, AI is essentially an recommendation machine.
The stat that actually issues right here is dropout, at about 43% amongst AI well being instrument customers. A 2025 assessment discovered almost half of customers disengage from AI-driven well being instruments. Engagement tends to spike early, then fall off shortly, with most individuals abandoning apps inside weeks.
The individuals who profit most from teaching, these with low motivation, poor self-regulation, or excessive environmental limitations, are sometimes the primary to disengage from AI instruments. The optimistic outcomes seen in AI teaching trials have a tendency to return from a extremely chosen group who stay engaged in managed settings.
Analysis on eHealth dropout predictors exhibits that human accountability, not app sophistication, is the strongest driver of continued engagement. Purchasers push by resistance as a result of they don’t wish to let down an actual one who will verify in with them.
When examined head-to-head, a 2025 quasi-experimental examine within the Journal of Work-Utilized Administration discovered members rated human coaches greater than AI throughout each metric measured, together with working alliance, objective attainment, dedication, belief, and growth of latest insights. Each single one.

A side-by-side comparability of how members rated human coaches vs. AI coaches throughout key teaching outcomes.
So the true query isn’t whether or not AI replaces coaches; it’s how coaches can use AI to turn out to be higher.
AI can deal with program design, macro calculations, meals logging, and monitoring. That frees up time for the highest-value work: constructing relationships, figuring out resistance, and sustaining motivation by months of friction.
The coaches most in danger aren’t competing with AI. They’re those doing work AI can already automate, that means plan supply is replaceable, however human presence shouldn’t be.
Should you’re on the lookout for a coach to maintain you accountable and on monitor, you’ll be able to try my workforce at TRIUMPH Teaching.
We use AI the place it helps, however we additionally know that actual outcomes come from one thing AI cannot replicate: the connection between a coach and the particular person they’re working with.
Because of Prabhat Kumar, featured in Alan Aragon’s Analysis Evaluation, for surfacing these insights.
This Week in Well being & Efficiency: What the Newest Analysis Says
🌱🧫 Filth, Microbes & Stronger Immunity: Finland swapped synthetic playgrounds for pure parts like soil and crops, and youngsters uncovered to those environments confirmed improved immune markers, together with extra regulatory T cells, suggesting early publicity to various microbes could assist construct resilient immune programs (learn extra).
🏃♂️❤️ Can You Prepare Too A lot?: Some analysis hyperlinks very excessive coaching volumes to elevated coronary plaque, however importantly, there’s no clear proof that this interprets to greater mortality threat. The nuance: extra coaching isn’t all the time higher, however context is essential, too (learn the examine).
🥩📊 Protein Per Meal—No Actual “Restrict”: Your physique absorbs almost all of the protein you eat; there’s no laborious cutoff. What plateaus is muscle protein synthesis, not absorption, that means whole every day consumption and timing nonetheless matter greater than arbitrary per-meal caps (get all the small print on this Kion article).
🍜⚖️ Greater Protein Breakfast = Fewer Energy Later: A examine discovered that consuming a higher-protein breakfast (round 20 grams) diminished calorie consumption at lunch by about 100 energy, exhibiting protein earlier within the day could assist regulate urge for food (full examine right here).
Key Takeaway: From filth publicity and immune well being to protein timing and coaching quantity, this week’s analysis highlights a recurring theme: the physique responds finest to balanced inputs, not extremes, and small every day decisions can compound into significant well being outcomes.
Wish to dive deeper? Click on the hyperlinks above to discover the analysis, and click on right here to observe me on X for all the most recent well being and efficiency information sizzling off the press!
Product Of The Week
::: Grasp Your Sleep, Focus & Vitality With Physics, Not Chemistry (& Get $100 Off Hapbee) :::
Should you’ve ever traveled, pulled a late evening, or simply gotten thrown off your routine, you know the way shortly your baseline power can disappear.
Touring to a brand new time zone means a special room, extra blue gentle publicity, and a disrupted sleep schedule, all of which may tank your motivation and damage your focus.
Most individuals attempt to repair this with dietary supplements and stimulants like melatonin, caffeine, and sleep aids, however these include a value: liver load, disrupted sleep cycles, and the basic crash or groggy hangover.
Once I’m touring or making an attempt to reset my rhythm, I’ll use the Hapbee Deep Sleep sign to assist nudge my nervous system again on monitor, go to sleep extra simply, and get well higher, all with out including one other capsule to the stack.
If you wish to keep sharp, sleep deeper, and keep away from the stimulant-sleep help cycle, you’ll be able to seize Hapbee proper now and save $100, plus get a 30-day free membership utilizing this hyperlink.
Podcasts I Recorded This Week:


The Newest Content material I Was Featured On This Week:
My Article Feed:
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This Week’s Most Common Instagram Publish:
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Cheers,
Ben
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