David A. Sinclair, Ph.D. @davidsinclairphd.bsky.social · 19/09/2026Stem cells don't run out, they get told to stop dividing and that instruction can be renegotiated 030
David A. Sinclair, Ph.D. @davidsinclairphd.bsky.social · 19/09/2026Metformin's anti-aging reputation rests mostly on people who already had diabetes 010
David A. Sinclair, Ph.D. @davidsinclairphd.bsky.social · 19/09/2026Evolution never optimized you for a hundred healthy years, that's a job you must finish yourself 030
David A. Sinclair, Ph.D. @davidsinclairphd.bsky.social · 31/07/2026The best longevity drug available today is exercise and building muscle 💪 1292
David A. Sinclair, Ph.D. @davidsinclairphd.bsky.social · 31/07/2026Your future health isn’t determined by your birthday. It’s determined by what you repeatedly do between now and then 💪 142
David A. Sinclair, Ph.D. @davidsinclairphd.bsky.social · 09/06/2026@lifebiosciences has confirmed the first patient has been dosed with an epigenetic restoration drug candidate. Exciting milestone 🚀 Life Biosciences is the OG cellular rejuvenation company, using epigenetic restoration to reverse diseases of aging lifebiosciences.com/life-bioscie... 4123
David A. Sinclair, Ph.D. @davidsinclairphd.bsky.social · 04/06/2026The body responds to intensity more than duration. Even ~4.4 minutes of vigorous daily movement associates with ~26–30% lower mortality risk join.lifespan.com/577uh3zrjoin.lifespan.comAssociation of wearable device-measured vigorous intermittent lifestyle physical activity with mortality - Nature MedicineUsing data from wearable activity monitors, this study shows that short bursts of physical activity that are done as part of daily life activities and that are only 1 or 2 minutes in length are… 042
David A. Sinclair, Ph.D. @davidsinclairphd.bsky.social · 23/05/2026Aging is noise in the system and noise can be reduced 252
David A. Sinclair, Ph.D. @davidsinclairphd.bsky.social · 23/05/2026The question is not whether we age but how fast 021
David A. Sinclair, Ph.D. @davidsinclairphd.bsky.social · 23/05/2026Cells respond to mild adversity by becoming stronger 041
David A. Sinclair, Ph.D. @davidsinclairphd.bsky.social · 23/05/2026The more stable the system the slower the aging 021
David A. Sinclair, Ph.D. @davidsinclairphd.bsky.social · 22/05/2026Aging is a drift away from optimal gene expression 141
David A. Sinclair, Ph.D. @davidsinclairphd.bsky.social · 22/05/2026Longevity comes from maintaining order in complex systems 242
David A. Sinclair, Ph.D. @davidsinclairphd.bsky.social · 21/05/2026Cells do not forget how to be young, they lose access 131
David A. Sinclair, Ph.D. @davidsinclairphd.bsky.social · 21/05/2026The genome largely stays intact. What changes is how it is read 031
David A. Sinclair, Ph.D. @davidsinclairphd.bsky.social · 19/05/2026Biological clocks are entering the medical mainstream 052
David A. Sinclair, Ph.D. @davidsinclairphd.bsky.social · 18/05/2026The body is always responding to adversity and abundance 051
David A. Sinclair, Ph.D. @davidsinclairphd.bsky.social · 18/05/2026Cells are resilient until pushed past repair capacity 031
David A. Sinclair, Ph.D. @davidsinclairphd.bsky.social · 17/05/2026If aging is corrupted software, it can be reprogrammed 151
David A. Sinclair, Ph.D. @davidsinclairphd.bsky.social · 16/05/2026Every system in the body is adapting all the time. You are in control 021
David A. Sinclair, Ph.D. @davidsinclairphd.bsky.social · 16/05/2026Biology is not just chemistry, it is code 031
David A. Sinclair, Ph.D. @davidsinclairphd.bsky.social · 16/05/2026The body remembers youth even when it looks old 142
David A. Sinclair, Ph.D. @davidsinclairphd.bsky.social · 16/05/2026Aging is loss of information and the surprising finding is information can be restored 385
David A. Sinclair, Ph.D. @davidsinclairphd.bsky.social · 24/04/2026From 2008-2024 I was accused of hyping (a common slur) for suggesting that changes to the epigenome might cause aging and that therapeutics could "allow us to reset the epigenome to a more youthful state." - Oberdoerffer & Sinclair (2009) Success has many fathers, while failure is an orphan 042
David A. Sinclair, Ph.D. @davidsinclairphd.bsky.social · 24/04/2026Most people wait for disease. By then, biology has already shifted 151
David A. Sinclair, Ph.D. @davidsinclairphd.bsky.social · 24/04/2026Type 2 diabetes is associated with substantially higher mortality risk www.nejm.org/doi/full/10....nejm.orgDiabetes Mellitus, Fasting Glucose, and Risk of Cause-Specific Death | NEJMThe extent to which diabetes mellitus or hyperglycemia is related to risk of death from cancer or other nonvascular conditions is uncertain. We calculated hazard ratios for cause-specific death, ac... 142
David A. Sinclair, Ph.D. @davidsinclairphd.bsky.social · 23/04/2026Higher omega-3 levels are linked to ~15–20% lower mortality risk. More here: www.nature.com/articles/s41... 362
David A. Sinclair, Ph.D. @davidsinclairphd.bsky.social · 23/04/2026Biology doesn’t care what’s “normal.” It responds to signals. And it can be changed 041
David A. Sinclair, Ph.D. @davidsinclairphd.bsky.social · 21/04/2026Muscle mass is a stronger predictor of survival than BMI in older adults Read here: www.sciencedirect.com/science/arti... 372
David A. Sinclair, Ph.D. @davidsinclairphd.bsky.social · 20/04/2026Prevention is delayed treatment of aging 031
David A. Sinclair, Ph.D. @davidsinclairphd.bsky.social · 19/04/2026The goal isn’t longer life. It’s longer function and performance. Longer life is the side effect 084
David A. Sinclair, Ph.D. @davidsinclairphd.bsky.social · 18/04/2026The earlier you intervene, the bigger the payoff 121
David A. Sinclair, Ph.D. @davidsinclairphd.bsky.social · 18/04/2026About 7,000 steps/day is associated with ~50–70% lower mortality vs low activity jamanetwork.com/journals/jam...jamanetwork.comSteps per Day and All-Cause Mortality in Middle-aged AdultsThis cohort study assesses the association of step volume and intensity with premature all-cause mortality among Black and White participants in the Coronary Artery Risk Development in Young Adults… 132
David A. Sinclair, Ph.D. @davidsinclairphd.bsky.social · 18/04/2026The future of medicine is treating causes, not symptoms. Aging is the main cause of disease 0102
David A. Sinclair, Ph.D. @davidsinclairphd.bsky.social · 18/04/2026Longevity isn’t about perfection. It’s about direction 141
David A. Sinclair, Ph.D. @davidsinclairphd.bsky.social · 16/04/2026You don’t need more time. You need better biology 042
David A. Sinclair, Ph.D. @davidsinclairphd.bsky.social · 16/04/2026Aging is the biggest unmet medical need by orders of magnitude 051
David A. Sinclair, Ph.D. @davidsinclairphd.bsky.social · 15/04/2026REMOTE CONTROL MICE! A group from Seoul has just published in Cell that they’ve discovered a crazy-weird protein (Cyb5b) that can be used to turn on any gene when exposed to EMFs. They used it to turn on OSK and extend the lifespan of a progeroid mouse. Amazing! www.cell.com/cell/abstrac...cell.comElectromagnetic field-inducible in vivo gene switch for remote spatiotemporal control of gene expressionThe EMF-inducible gene switch (Ei) platform provides precise spatiotemporal control of gene expression through Cyb5b-mediated calcium oscillations. This system enables Ei-OSK-driven in vivo rejuvenati... 152
David A. Sinclair, Ph.D. @davidsinclairphd.bsky.social · 14/04/2026Are annoying age spots due to epigenetic drift, a likely cause of aging? "Consistent with the Information Theory of Aging, we found a global disruption of tight epigenetic regulation"...at genes involved in DNA repair, inflammation & mitochondria Fascinating! link.springer.com/article/10.1... 062
David A. Sinclair, Ph.D. @davidsinclairphd.bsky.social · 14/04/2026Cardiorespiratory fitness is a strong and consistent predictor of mortality across populations jamanetwork.com/journals/jam...jamanetwork.comLow-Value Preoperative Care for Patients Undergoing Cataract Surgery at a Safety-Net Health SystemThis study assesses the utilization and costs of a multipronged quality improvement initiative to reduce low-value preoperative utilization for patients undergoing cataract surgery at 2 safety-net… 021
David A. Sinclair, Ph.D. @davidsinclairphd.bsky.social · 13/04/2026We don’t lack tools. We lack urgency 031
David A. Sinclair, Ph.D. @davidsinclairphd.bsky.social · 12/04/2026Longevity science is accelerating faster than expected 081
David A. Sinclair, Ph.D. @davidsinclairphd.bsky.social · 11/04/2026We are closer to controlling aging than most people realize 132
David A. Sinclair, Ph.D. @davidsinclairphd.bsky.social · 10/04/2026Small interventions shift long-term trajectories 011
David A. Sinclair, Ph.D. @davidsinclairphd.bsky.social · 09/04/2026If we can slow aging, we delay multiple diseases at once 062
David A. Sinclair, Ph.D. @davidsinclairphd.bsky.social · 09/04/2026Cardiovascular mortality is ~32–34% lower with brief daily bursts www.nature.com/articles/s41...nature.comAssociation of wearable device-measured vigorous intermittent lifestyle physical activity with mortality - Nature MedicineUsing data from wearable activity monitors, this study shows that short bursts of physical activity that are done as part of daily life activities and that are only 1 or 2 minutes in length are… 052
David A. Sinclair, Ph.D. @davidsinclairphd.bsky.social · 08/04/2026Large meta-analysis of ultra-processed food intake is linked to multiple chronic diseases, not just obesity www.bmj.com/content/384/... 010
David A. Sinclair, Ph.D. @davidsinclairphd.bsky.social · 06/04/2026Semaglutide reduces major cardiovascular events in people with obesity without diabetes (SELECT trial) www.nejm.org/doi/full/10....nejm.orgSemaglutide and Cardiovascular Outcomes in Obesity without Diabetes | NEJMSemaglutide, a glucagon-like peptide-1 receptor agonist, has been shown to reduce the risk of adverse cardiovascular events in patients with diabetes. Whether semaglutide can reduce cardiovascular ... 011