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Rapamycin extends mouse lifespan 9–14%
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Walking 10 min after meals blunts glucose
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The Chemistry of Food & Taste | Dr. Harold McGee — Whalespan

Content›Video›The Chemistry of Food & Tast…

The Chemistry of Food & Taste | Dr. Harold McGee

Andrew Huberman2h 13m · 2025-06-30

Claims Made

153

Claims Supported

134

Support Rate

88%

Support rate

134 of 153 claims supported

134 supported19 partial / not

Claims from this content

99

✓Well SupportedAndrew Huberman drinks Athletic Greens twice a day, typically once in the morning and again in the afternoon or late afternoon, mixed with water and lemon or lime juice.✓Well SupportedBody temperature must drop by 1-3 degrees Fahrenheit to fall and stay deeply asleep, and must increase by 1-3 degrees Fahrenheit to wake up refreshed.✓Well SupportedFunction offers over 100 advanced lab tests for comprehensive bodily health assessment.✓Well SupportedThe book 'Protocols: An Operating Manual for the Human Body' offers scientifically substantiated protocols for sleep, exercise, stress control, and focus/motivation.Well Supported

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A. Volkovreader

4h

Bookmarking — the dossier-vs-overview split is the right call. Most of the time I want overview; sometimes I want receipts.

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Would love a "what would change this verdict" RSS feed. Sign me up if it exists.

✓

NSDR involves listening to an audio script for deep body relaxation combined with simple breathing exercises and is a powerful tool.

✓Well SupportedEight Sleep's Pod 5 features 'Auto Pilot' which adjusts bed temperature, elevates the head if snoring occurs, and optimizes sleep.

✓Well SupportedAG1's latest formula upgrade includes clinically studied probiotic strains that support digestive and immune system health, improve bowel regularity, and reduce bloating.

✓Well SupportedPFAS exposure is linked to high cholesterol, cancer, thyroid problems, immune system dysfunction, low infant birth weight, and hormonal disruption.

✓Well SupportedAG1 is offering a free bottle of vitamin D3 K2, a bottle of omega-3 fish oil capsules, and a sample pack of AGZ with the first subscription to AG1.

✓Well SupportedObtaining most food from unprocessed or minimally processed sources is suggested for adequate nutrient intake without overeating.

✓Well SupportedAndrew Huberman drinks at least three cans of Matina's zero sugar cold brew yerbamate daily and uses their loose leaf yerbamate every morning.

✓Well SupportedOur Place Always Pan Pro uses a titanium coating and is free of PFOA and PFAS chemicals.

✓Well SupportedTwo to four servings per day of low-sugar fermented foods can reduce inflammatory markers and improve the gut microbiome.

◐Partially SupportedAndrew Huberman typically uses coffee or yerba mate before intense weight training but prefers to do cardio with minimal or no caffeine.

✓Well SupportedOmega-3 fish oil and vitamin D3 plus K2 supplementation can support mood, brain health, heart health, and healthy hormone status.

◐Partially SupportedFor adults who are not alcoholics, consuming up to two alcoholic drinks per week is on the safe side of health, but zero alcohol is preferable.

✓Well SupportedFermented foods like kefir, sauerkraut, and kimchi promote a healthy gut microbiome.

✓Well SupportedOur Place cookware products are PFAS and toxin-free.

◐Partially SupportedMaillard reactions between proteins and carbohydrates/fats when heated can generate sugars and complex molecules.

◐Partially SupportedCooking meat transforms macromolecules like protein and fat into smaller molecules that stimulate taste receptors and create aroma.

◐Partially SupportedIndividuals with a higher density of taste receptors are sensitive to bitterness and acidity.

◐Partially SupportedPFAS (forever chemicals) are found in 80% of non-stick pans, utensils, appliances, and other kitchen products.

◐Partially SupportedWater temperature affects coffee pleasure and brewing coffee with water right off the boil is a preferred method for some.

◐Partially SupportedCooking steak to high temperatures generates molecules that stimulate taste receptors.

◐Partially SupportedBrewing coffee for longer periods or using hotter water extracts larger molecules responsible for tannic and bitter tastes.

◐Partially SupportedSome individuals have a genetic predisposition that causes cilantro to taste like soap.

◐Partially SupportedSlowing down eating, including chewing and taking pauses between bites, allows for appreciation of lingering flavors.

◐Partially SupportedAndrew Huberman increasingly enjoys foods like strawberries, vegetables, meat, fish, eggs, rice, and oatmeal more each year.

◐Partially SupportedNew fermented foods made from diverse raw materials, such as pea miso, have been developed globally.

◐Partially SupportedThe discovery of a glutamate receptor in the early 2000s confirmed the validity of umami as a basic taste by Western scientific standards.

◐Partially SupportedChanges in taste perception thresholds due to dietary habits have negative health implications.

◐Partially SupportedThe umami receptor responds to savory tastes found in foods like rich tomato sauce and steak.

✓Well SupportedAnimals such as elephants and primates have been observed to seek out and consume fermented fruits, getting drunk from them.

◐Partially SupportedBoiling and discarding the soaking water from beans is more effective than just soaking for removing gas-producing molecules.

◐Partially SupportedHumans may have been consuming alcohol since before becoming Homo sapiens, with primates observed seeking out fermenting fruit.

◐Partially SupportedEating soup early in a meal can help reduce the quantity of the main course needed for satiety.

◐Partially SupportedEnzymes in the mouth can release aromatic molecules from food conjugates attached to sugars.

◐Partially SupportedHistamines from onions can cause gastric issues and pain in some individuals.

◐Partially SupportedSmoke was historically used to preserve food by warding off spoilage bugs.

◐Partially SupportedUmami is characterized by a feeling of fullness and a lingering flavor, often described as savory.

◐Partially SupportedPolyphenols can cross-link proteins, making them more rigid.

◐Partially SupportedFermentation of caviar enhances its nutritional value, including omega-3 content.

◐Partially SupportedThe AeroPress coffee maker combines features of a French press and a filter drip system, allowing for more control over flavor by enabling the user to control extraction time.

✕Not SupportedThe idea that tea should not be consumed at the end of a meal because it hardens food in the stomach is likely nonsense.

◐Partially SupportedCrystallized tyrosine and other amino acid derivatives in aged cheeses contribute to texture and flavor.

◐Partially SupportedDrying tea leaves can be achieved through air drying, using a toaster oven, or stir-frying in a wok, with the method influencing the outcome.

◐Partially SupportedCapsaicin in hot peppers is a molecule designed to be aversive to mammals.

◐Partially SupportedTaste perception and its relationship to food offer a greater degree of control and potential for enhancement compared to visual perception.

◐Partially SupportedThe primary anthropological benefit of cooking is increasing caloric intake and enabling consumption of otherwise indigestible materials.

◐Partially SupportedMateina's zero-sugar, cold brew yerba mate offers a steady rise in energy and focus without a crash, and may have neuroprotective effects.

◐Partially SupportedWearing goggles, rinsing cut surfaces, or choosing non-pungent varieties can mitigate the irritating effects of onions.

◐Partially SupportedAuthentic smoke flavor in cheese is achieved through an actual smoking process.

◐Partially SupportedFood provides cultural and taste-related pleasure, in addition to its role in fueling the body and providing health benefits.

◐Partially SupportedOnions and garlic contain sulfur molecules that become volatile and irritating when tissues are disrupted.

◐Partially SupportedSome individuals perceive the smell of microwave popcorn as pungent vomit due to an olfactory receptor variant.

◐Partially SupportedCopper inhibits the breakdown of sucrose into glucose and fructose.

◐Partially SupportedThe enjoyment of healthier foods can increase over time due to a reshaping of what is considered flavorful.

◐Partially SupportedSalt can be used to diminish the sensation of bitterness in foods.

◐Partially SupportedThe tannic flavor in tea, similar to coffee, is caused by large molecules.

◐Partially SupportedDrinking water out of a copper bottle can alter the taste of the water.

◐Partially SupportedThe amino acid tyrosine, found in aged Parmesan cheese crystals, may contribute to a mild euphoric effect due to its role as a dopamine precursor.

◐Partially SupportedSalad should be eaten last in a meal.

◐Partially SupportedEating fruit before or away from a meal, but not after, is sometimes recommended to avoid digestive issues.

◐Partially SupportedHeating proteins in specific ways can bring out savoriness and healthy compounds like polyphenols.

◐Partially SupportedExpectations can influence sensory perception, as demonstrated by experts being fooled by red-dyed white wine.

◐Partially SupportedCooking makes food more delicious, and early humans likely associated sensory experiences with nutritional value and safety.

◐Partially SupportedMicrowaving food is safe, although it is advisable not to stand directly in front of the microwave.

✕Not SupportedThe idea of not combining carbohydrates and proteins or eating fruit away from meals is not supported by scientific evidence.

✕Not SupportedSome scientific theories applied to cooking, such as those by Dr. Liebig, were incorrect and led to worse outcomes than traditional methods.

◐Partially SupportedOnions produce defensive molecules that can stimulate an aversive reaction in some humans with gut issues.

◐Partially SupportedAdding a small amount of salt to coffee can reduce its bitterness.

◐Partially SupportedUmami receptor stimulation is closely tied to savoriness and protein, and may activate reward pathways due to protein's historical scarcity.

◐Partially SupportedThere are no universal principles for combining or not combining foods that impact health; individual physiology and tolerance are key.

◐Partially SupportedThe theory that carbohydrates and proteins should not be combined was popular in the early 1990s.

◐Partially SupportedAdding salt to bitter-tasting substances like coffee can improve their flavor.

◐Partially SupportedSome perceived smoky flavors in food are chemical and not derived from actual smoke.

◐Partially SupportedSome tea leaves are inherently more tannic due to specific processing methods.

◐Partially SupportedIndividual sensitivity to capsaicin varies significantly.

◐Partially SupportedThe gut microbiome can adapt to the consumption of oligosaccharides in beans and legumes, leading to increased tolerance and reduced discomfort over time.

◐Partially SupportedThe density of taste buds on the tongue, a measure used to define 'super-tasters', influences how individuals experience flavors.

◐Partially SupportedFermented foods like stinkfish and fermented salmon eggs are prized in traditional Arctic and Inuit diets.

◐Partially SupportedParmesan cheese contains butyric acid, which is also the main component that makes vomit smell, leading some people to be unable to eat it.

◐Partially SupportedBeans cause gas because intermediate-sized carbohydrates are digested by gut microbes, producing CO2 and hydrogen gas.

◐Partially SupportedChildren may develop temporary aversions to certain tastes like sulphurousness, which can be managed.

◐Partially SupportedThe French meal sequencing of soup first, then appetizer, entree, and salad last, may aid digestion and flavor perception.

◐Partially SupportedProcessing tea leaves through methods like withering, oolong manipulation, or black tea processing alters their chemical composition and flavor profile.

◐Partially SupportedThe application of heat to food materials breaks them down and causes them to react, resulting in an explosion of sensory information.

◐Partially SupportedConsuming unadulterated foods like strawberries allows for a richer taste experience and greater pleasure compared to processed foods.

◐Partially SupportedThe medical community is increasingly validating reported negative food reactions, such as histamines from onions causing gut issues.

◐Partially SupportedThe aging process of cheese generates small molecules that create a richer and more varied flavor.

◐Partially SupportedTaste thresholds and preferences for sweetness and bitterness are malleable with consistent exposure.

◐Partially SupportedTaste receptors for all tastes, including umami, have been discovered in the human gastrointestinal tract.

◐Partially SupportedThe new growth of tea plants is used for making tea because it is the most metabolically active and contains the most interesting compounds.

◐Partially SupportedPolyphenols may be freed up in the lower GI tract where they might have beneficial effects.

◐Partially SupportedGrind size is critical in coffee brewing as it determines the extraction rate of soluble materials.

◐Partially SupportedGrinding coffee beans fresh for each brew can be important for taste.

◐Partially SupportedFermentation was likely discovered independently by every human population due to the observation of natural processes like overripe fruit fermenting.

◐Partially SupportedApproximately 20% of the original weight of coffee grounds is extracted into a typical cup of coffee.

◐Partially SupportedEating slowly and savoring each bite can lead to a richer sensory experience as new flavors emerge over time.