Welcome to Ben Greenfield’s Weekly Roundup!
On this weekly submit, I share with you my most fascinating 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 possibly can 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 nervousness is comprehensible. However analysis doesn’t assist the conclusion that coaches are “dying.” Right here’s what the information really says…
AI can generate a weight loss program plan, construct a progressive overload program, and calculate your complete every day vitality expenditure (TDEE) in seconds. However these duties are the least necessary 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 lively self-discovery slightly than passive recommendation supply. In the meantime, AI is basically 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 practically half of customers disengage from AI-driven well being instruments. Engagement tends to spike early, then fall off rapidly, 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 constructive outcomes seen in AI teaching trials have a tendency to come back 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 examine in with them.
When examined head-to-head, a 2025 quasi-experimental research within the Journal of Work-Utilized Administration discovered members rated human coaches increased than AI throughout each metric measured, together with working alliance, purpose attainment, dedication, belief, and growth of recent insights. Each single one.

A side-by-side comparability of how members rated human coaches vs. AI coaches throughout key teaching outcomes.
So the actual 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, which means plan supply is replaceable, however human presence shouldn’t be.
When you’re in search of a coach to maintain you accountable and on monitor, you possibly can take a look at 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 individual 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
🌱🧫 Grime, Microbes & Stronger Immunity: Finland swapped synthetic playgrounds for pure components like soil and vegetation, 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 Practice 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 increased mortality danger. The nuance: extra coaching isn’t all the time higher, however context is necessary, too (learn the research).
🥩📊 Protein Per Meal—No Actual “Restrict”: Your physique absorbs practically all of the protein you eat; there’s no laborious cutoff. What plateaus is muscle protein synthesis, not absorption, which means complete every day consumption and timing nonetheless matter greater than arbitrary per-meal caps (get all the main points on this Kion article).
🍜⚖️ Increased Protein Breakfast = Fewer Energy Later: A research discovered that consuming a higher-protein breakfast (round 20 grams) diminished calorie consumption at lunch by about 100 energy, displaying protein earlier within the day could assist regulate urge for food (full research 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 selections 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 comply with me on X for all the most recent well being and efficiency information scorching off the press!
Product Of The Week
::: Grasp Your Sleep, Focus & Vitality With Physics, Not Chemistry (& Get $100 Off Hapbee) :::
When you’ve ever traveled, pulled a late night time, or simply gotten thrown off your routine, you understand how rapidly your baseline vitality can disappear.
Touring to a brand new time zone means a special room, extra blue mild publicity, and a disrupted sleep schedule, all of which may tank your motivation and harm your focus.
Most individuals attempt to repair this with dietary supplements and stimulants like melatonin, caffeine, and sleep aids, however these include a price: liver load, disrupted sleep cycles, and the traditional crash or groggy hangover.
After I’m touring or attempting 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 better higher, all with out including one other tablet to the stack.
If you wish to keep sharp, sleep deeper, and keep away from the stimulant-sleep assist cycle, you possibly can 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:
My full article feed and all archives of my articles are right here.
This Week’s Most Standard Instagram Put up:
This Week’s Most Standard Tweet:
This Week’s Most Standard Fb Put up:
Cheers,
Ben
Boundless Life Podcast video thumbnail that includes Mark Sisson and Ben Greenfield towards a darkish background, with the textual content ‘Mark Sisson – Pay attention Now,’ displaying 219 likes and 38 feedback.” width=”632″ top=”832″ />
