Longevity, evidence first.https://massylabs.com/enhttps://massylabs.com/library/a-weekly-training-template-zone-2-and-strength/https://massylabs.com/library/a-weekly-training-template-zone-2-and-strength/What the guidelines actually require, what the strength data show about dose, and a weekly structure that fits both into about four hours.Thu, 10 Sep 2026 00:00:00 GMTprotocolszone 2strength trainingweekly planaerobic basedose responsehttps://massylabs.com/library/apob-the-lipid-number-that-matters/https://massylabs.com/library/apob-the-lipid-number-that-matters/When apoB is in the model, LDL cholesterol and triglycerides stop predicting heart attacks. Most panels still do not measure it. Here is the evidence.Thu, 10 Sep 2026 00:00:00 GMTbiomarkersapoBLDLlipidscardiovascular riskdiscordancehttps://massylabs.com/library/caloric-restriction-and-time-restricted-eating/https://massylabs.com/library/caloric-restriction-and-time-restricted-eating/Two years of 12% calorie restriction improved nearly every cardiometabolic marker. A 16:8 eating window, tested head to head, did not. The difference matters.Thu, 10 Sep 2026 00:00:00 GMTnutritioncaloric restrictionCALERIEtime-restricted eatingintermittent fastingultra-processed foodhttps://massylabs.com/library/healthspan-lifespan-and-the-decade-in-between/https://massylabs.com/library/healthspan-lifespan-and-the-decade-in-between/The gap between how long people live and how long they live well is now 9.6 years globally, and 12.4 in the US. It is growing. Here is what that means.Thu, 10 Sep 2026 00:00:00 GMTsciencehealthspanlifespanHALEepidemiologypreventionhttps://massylabs.com/library/how-to-read-a-longevity-study/https://massylabs.com/library/how-to-read-a-longevity-study/Four cases where confident evidence turned out to be wrong, and the specific questions that would have caught each one before you changed anything.Thu, 10 Sep 2026 00:00:00 GMTscienceevidenceepidemiologymendelian randomizationconfoundingresearch methodshttps://massylabs.com/library/metabolic-markers-and-the-cgm-question/https://massylabs.com/library/metabolic-markers-and-the-cgm-question/HbA1c thresholds are clear, and prediabetes is reversible with a number needed to treat under seven. Continuous glucose monitors are a harder call.Thu, 10 Sep 2026 00:00:00 GMTbiomarkersHbA1cprediabetesCGMinsulin resistancescreeninghttps://massylabs.com/library/protein-and-muscle-after-40/https://massylabs.com/library/protein-and-muscle-after-40/Older muscle needs about 68% more protein per meal to mount the same response. But the trial evidence for extra protein alone is far weaker than the marketing.Thu, 10 Sep 2026 00:00:00 GMTnutritionproteinsarcopeniamuscle protein synthesisanabolic resistanceaginghttps://massylabs.com/library/sleep-and-the-long-game/https://massylabs.com/library/sleep-and-the-long-game/Short sleep at 50 predicts dementia and multimorbidity decades later. Long sleep predicts death more strongly than short sleep. Both facts need careful reading.Thu, 10 Sep 2026 00:00:00 GMTsleepsleep durationglymphatic systemdementiamultimorbidityreverse causationhttps://massylabs.com/library/stress-social-connection-and-mortality/https://massylabs.com/library/stress-social-connection-and-mortality/Strong social ties were associated with 50% greater survival odds across 148 studies. WHO now attributes 871,000 deaths a year to loneliness.Thu, 10 Sep 2026 00:00:00 GMTmindsocial connectionlonelinessstressmortalitypsychosocialhttps://massylabs.com/library/the-hallmarks-of-aging-in-plain-language/https://massylabs.com/library/the-hallmarks-of-aging-in-plain-language/Biologists have converged on a shortlist of processes that drive aging. Here is what each one means, and how far the human evidence actually goes.Thu, 10 Sep 2026 00:00:00 GMTscienceaging biologyhallmarkssenescenceinflammationmechanismshttps://massylabs.com/library/vo2-max-the-strongest-single-predictor/https://massylabs.com/library/vo2-max-the-strongest-single-predictor/In 122,007 adults, low fitness carried a greater mortality risk than smoking, diabetes or coronary disease. And unlike those, fitness is trainable.Thu, 10 Sep 2026 00:00:00 GMTmovementvo2 maxcardiorespiratory fitnessmortalityaerobic trainingtestinghttps://massylabs.com/library/what-to-do-with-a-biological-age-result/https://massylabs.com/library/what-to-do-with-a-biological-age-result/Epigenetic clocks are real science with a real problem: they work at the population level and researchers who built them say they do not work for individuals.Thu, 10 Sep 2026 00:00:00 GMTprotocolsepigenetic clocksbiological ageDNA methylationDunedinPACEtestinghttps://massylabs.com/library/mitochondria/https://massylabs.com/library/mitochondria/Every cell in the human body requires energy.Wed, 22 Jul 2026 00:00:00 GMTsciencefoundationshttps://massylabs.com/library/a-systems-view-of-skincare-failure/https://massylabs.com/library/a-systems-view-of-skincare-failure/Most skincare routines are built with a simple assumption:Tue, 30 Jun 2026 00:00:00 GMTskinfoundationshttps://massylabs.com/library/anti-cancer-nutrition/https://massylabs.com/library/anti-cancer-nutrition/Many people think of food simply as a source of calories. But from a biological perspective, food does much more than provide energy.Tue, 30 Jun 2026 00:00:00 GMTnutritionfoundationshttps://massylabs.com/library/how-to-read-your-body-signals/https://massylabs.com/library/how-to-read-your-body-signals/Most people experience changes in their body every day:Tue, 30 Jun 2026 00:00:00 GMTsciencefoundationshttps://massylabs.com/library/modern-life-ancient-biology/https://massylabs.com/library/modern-life-ancient-biology/The human body evolved in a very different environment than the one we live in today.Tue, 30 Jun 2026 00:00:00 GMTsciencefoundationsstart-herehttps://massylabs.com/library/the-biology-of-consistency/https://massylabs.com/library/the-biology-of-consistency/Most people approach health and wellness with big changes:Tue, 30 Jun 2026 00:00:00 GMTsciencefoundationshttps://massylabs.com/library/why-quick-fixes-dont-work-in-biology/https://massylabs.com/library/why-quick-fixes-dont-work-in-biology/We are used to the idea of fast results.Tue, 30 Jun 2026 00:00:00 GMTsciencefoundationshttps://massylabs.com/library/body-balance/https://massylabs.com/library/body-balance/One of the most important ideas in biology is something many people never learn about clearly:Mon, 29 Jun 2026 00:00:00 GMTsciencefoundationshttps://massylabs.com/library/body-network/https://massylabs.com/library/body-network/Most people think of the body as a collection of separate parts.Mon, 29 Jun 2026 00:00:00 GMTsciencefoundationsstart-herehttps://massylabs.com/library/inflammation-explained-simply/https://massylabs.com/library/inflammation-explained-simply/Inflammation is one of the most misunderstood biological concepts.Mon, 29 Jun 2026 00:00:00 GMTprotocolsfoundationsstart-herehttps://massylabs.com/library/movement-and-the-body-3/https://massylabs.com/library/movement-and-the-body-3/Most people think of movement as something you “do” to burn calories or stay fit.Mon, 29 Jun 2026 00:00:00 GMTmovementfoundationshttps://massylabs.com/library/nutrition-and-the-body/https://massylabs.com/library/nutrition-and-the-body/Most people think of food in simple terms:Mon, 29 Jun 2026 00:00:00 GMTnutritionfoundationshttps://massylabs.com/library/stress-and-the-body-why-it-shows-up-in-skin-aging-and-energy/https://massylabs.com/library/stress-and-the-body-why-it-shows-up-in-skin-aging-and-energy/Stress is usually described as a mental or emotional experience.Fri, 19 Jun 2026 00:00:00 GMTmindfoundationshttps://massylabs.com/library/what-is-the-skin-barrier-and-why-it-controls-almost-everything/https://massylabs.com/library/what-is-the-skin-barrier-and-why-it-controls-almost-everything/When people talk about skin health, they usually focus on products, treatments, or visible issues like acne or dryness.Fri, 19 Jun 2026 00:00:00 GMTskinfoundationshttps://massylabs.com/library/why-sleep-affects-skin-aging-and-energy-so-directly/https://massylabs.com/library/why-sleep-affects-skin-aging-and-energy-so-directly/Sleep is often treated as a lifestyle habit.Fri, 19 Jun 2026 00:00:00 GMTsleepfoundationshttps://massylabs.com/library/test3/https://massylabs.com/library/test3/Aging skin is often described in simple visual terms:Wed, 17 Jun 2026 00:00:00 GMTskinfoundationshttps://massylabs.com/library/why-skin-breaks-out/https://massylabs.com/library/why-skin-breaks-out/Most people see breakouts as a surface issue.Wed, 17 Jun 2026 00:00:00 GMTskinfoundationshttps://massylabs.com/library/how-your-body-actually-ages/https://massylabs.com/library/how-your-body-actually-ages/Aging is usually described as something that simply happens over time.Tue, 16 Jun 2026 00:00:00 GMTsciencefoundationsstart-herehttps://massylabs.com/library/why-skin-becomes-dry-oily-or-sensitive/https://massylabs.com/library/why-skin-becomes-dry-oily-or-sensitive/Most people describe their skin using 3 simple labels:Tue, 16 Jun 2026 00:00:00 GMTskinfoundationshttps://massylabs.com/library/how-skin-actually-works-beyond-products/https://massylabs.com/library/how-skin-actually-works-beyond-products/Most people think of skin as something external.Tue, 09 Jun 2026 00:00:00 GMTprotocolsfoundationshttps://massylabs.com/library/inflammation-the-bodys-protective-system-that-can-become-overactive/https://massylabs.com/library/inflammation-the-bodys-protective-system-that-can-become-overactive/Inflammation is often described as something harmful that should be reduced or avoided.Tue, 09 Jun 2026 00:00:00 GMTsciencefoundationshttps://massylabs.com/library/sleep-and-recovery-how-the-body-restores-its-biological-balance/https://massylabs.com/library/sleep-and-recovery-how-the-body-restores-its-biological-balance/Sleep is often described as rest.Tue, 09 Jun 2026 00:00:00 GMTsleepfoundationshttps://massylabs.com/library/why-energy-is-the-core-currency-of-the-human-body/https://massylabs.com/library/why-energy-is-the-core-currency-of-the-human-body/When people talk about energy, they usually mean how tired or awake they feel.Tue, 09 Jun 2026 00:00:00 GMTsciencefoundationshttps://massylabs.com/library/stress-and-the-nervous-system-how-the-body-manages-biological-load/https://massylabs.com/library/stress-and-the-nervous-system-how-the-body-manages-biological-load/Stress is often discussed as a psychological experience.Fri, 05 Jun 2026 00:00:00 GMTmindfoundationshttps://massylabs.com/library/the-core-inputs-that-shape-human-biology/https://massylabs.com/library/the-core-inputs-that-shape-human-biology/Most people think of health as a large and complicated topic with many separate factors.Fri, 05 Jun 2026 00:00:00 GMTsciencefoundationshttps://massylabs.com/library/body-system/https://massylabs.com/library/body-system/Most modern wellness content is built around one idea: optimization.Tue, 02 Jun 2026 00:00:00 GMTsciencefoundationshttps://massylabs.com/library/body2/https://massylabs.com/library/body2/Skin is often treated as the main focus of skincare and wellness.Tue, 02 Jun 2026 00:00:00 GMTsciencefoundations