Bryan Johnson · 2025-02-18 · Bryan Johnson (host), Kevin, Logan Paul, Mike Majlak, Jorge, Talmage Johnson

These 87 Minutes Blew Logan Paul's Mind

4 claims checked against research: 1 contradicted online 1 overstated 1 needing context 1 supported

Contradicted by web sources

0:13:30 Kevincontradicted (web)

Homo sapiens emerged approximately 200,000 years ago in the hominid evolutionary timeline.

"200,000 years, right?" (said at 0:13:30)

No published record matching the claim that Homo sapiens emerged approximately 200,000 years ago was located; this does not prove the claim false.

contradicted by web sources

Major anthropological and encyclopedic sources report that *Homo sapiens* emerged approximately 300,000 years ago, revising older estimates that placed our species' emergence at around 200,000 years ago.

britannica.com si.edu

Overstated

1:12:26 Bryan Johnson (host)overstatedhigh

Ozempic (semaglutide) eliminates the desire to eat after receiving a shot.

"with Ozempic, you get one shot, desire to eat goes away, right? You have changed a fundamental part of being human. You don't want to eat." (said at 1:12:26)

Randomized controlled trials confirm that once-weekly subcutaneous semaglutide reduces appetite, hunger, and food cravings while increasing satiety and reducing ad libitum daily energy intake by approximately 24% to 35%. However, stating that a single shot causes the desire to eat to completely go away is an overstatement of both the magnitude and onset of effect. Semaglutide suppresses and modulates appetite rather than eliminating the desire to eat entirely, and clinical treatment involves gradual dose escalation over weeks to months.

partial: Effects of once-weekly semaglutide on appetite, energy intake, control of eating, food pre… (Diabetes, obesity & metabolism 2017) · cited 670x in the literature
"After a standardised breakfast, semaglutide, compared with placebo, led to a lower ad libitum energy intake during lunch (-1255 kJ; P < .0001) and during the subsequent evening meal (P = .0401) and snacks (P = .0034), resulting in a 24% reduction in total energy intake across all ad libitum meals throughout the day (-3036 kJ; P < .0001). Fasting overall appetite suppression scores were improved with semaglutide vs placebo, while nausea ratings were similar. Semaglutide was associated with less hunger and food cravings, better control of eating and a lower preference for high-fat foods." (abstract, results)
pubmed full study (doi)
partial: The effect of semaglutide 2.4 mg once weekly on energy intake, appetite, control of eating… (Diabetes, obesity & metabolism 2021) · cited 405x in the literature
"Ad libitum energy intake was 35% lower with semaglutide versus placebo (1736 versus 2676 kJ; estimated treatment difference -940 kJ; P <0.0001). Semaglutide reduced hunger and prospective food consumption, and increased fullness and satiety when compared with placebo (all P <0.02). The CoEQ indicated better control of eating and fewer/weaker food cravings with semaglutide versus placebo (P <0.05)." (abstract, results, passage verified)
pubmed full study (doi)

Needs context

0:54:13 Bryan Johnson (host)needs contexthigh

The Earth has approximately four billion years of lifespan remaining.

"like we have four billion years left in the Earth, right?" (said at 0:54:13)

The statement requires clarification regarding whether it refers to the physical existence of the planet or its habitability. The Sun is estimated to remain on the main sequence for approximately another 5 billion years, after which it will expand into a red giant. Stellar evolution models indicate the Earth will physically survive until it is engulfed by the expanding red giant Sun approximately 7.59 billion years from now. However, Earth's habitable lifespan is much shorter: increasing solar luminosity will trigger a moist or runaway greenhouse effect and ocean evaporation, ending complex and microbial life within roughly 1 to 2 billion years.

context: Distant future of the Sun and Earth revisited (Sussex Research Online (University of Sussex) 2008) · cited 163x in the literature
"Using the new and well-calibrated mass-loss formula of Schroder & Cuntz (2005, 2007), we find that the mass lost by the Sun as an RGB giant (0.332 M_Sun, 7.59 Gy from now) potentially gives planet Earth a significant orbital expansion, inversely proportional to the remaining solar mass... We find that planet Earth will not be able to escape engulfment, despite the positive effect of solar mass-loss." (abstract, results, passage verified)
openalex full study (doi)

Supported by research

0:28:44 Bryan Johnson (host)supportedhigh

Physical entropy cannot be stopped or prevented in the universe.

"I mean, you can't stop entropy, but you're going to war with death and all of those causes." (said at 0:28:44)

According to the Second Law of Thermodynamics, total entropy in an isolated system (such as the universe) cannot decrease and irreversible physical processes continually generate entropy. While open systems (such as living organisms) can locally reduce their internal entropy by exchanging energy and matter with their environment, they do so at the cost of increasing the net entropy of the universe. Consequently, physical entropy production cannot be stopped or prevented overall.

supports: A Fresh Look at Entropy and the Second Law of Thermodynamics (Physics Today 2000) · cited 139x in the literature
"In days long gone, the second law of thermodynamics (which predated the first law) was regarded as perhaps the most perfect and unassailable law in physics. It was even supposed to have philosophical import: It has been hailed for providing a proof of the existence of God (who started the universe off in a state of low entropy, from which it is constantly degenerating)" (abstract, passage verified)
openalex full study (doi)
supports: Irreversible entropy production: From classical to quantum (Reviews of Modern Physics 2021) · cited 400x in the literature
"Entropy is a fundamental concept in thermodynamics and statistical physics. It governs processes in physics, chemistry, and biology, and its statistical and information theoretical foundations have been supplemented by recent analyses of fluctuations in microscopic and quantum systems. This article presents a review of theoretical and experimental attempts to describe and assess entropy production in a unified manner from the quantum to the classical level." (abstract, passage verified)
openalex full study (doi)

Unverified means no publication matching the claim was located; it does not prove the claim false. Spotted an error? See the corrections policy - disputes from the people quoted are prioritized.