aging Archives - TLDR Longevity

Herpes Zoster Vaccine Reduces Dementia Risk by 20% in Welsh Natural Experiment

Study Design & Methodology Researchers used a unique natural experiment in Wales to study the causal effect of live-attenuated herpes zoster vaccination (Zostavax) on dementia. They exploited a sharp eligibility cutoff where: This created an abrupt change in vaccination rates (from 0.01% to 47.2%) between nearly identical populations, allowing researchers to bypass traditional confounding concerns […]

aging, aging research, clinical trial, dementia prevention, epidemiology, healthspan, herper-zoster, longevity, neurodegeneration, preventive medicine, vaccination

Herpes Zoster Vaccine Reduces Dementia Risk by 20% in Welsh Natural Experiment Read Post »

Research

25-Year Japanese Study Identifies Optimal Diet and Lifestyle Factors for Cognitive Health and Functional Aging

A 25-year longitudinal study, the National Institute for Longevity Sciences – Longitudinal Study of Aging (NILS-LSA), reveals that specific dietary habits, lifestyle choices, and psychological factors significantly impact cognitive function and higher-level functional capacity in aging individuals. Notably, higher intake of certain fatty acids, soybeans, green tea, and dairy, coupled with dietary diversity, not smoking,

aging, aging biology, aging research, cognitive decline, dairy, dementia prevention, dietary diversity, green-tea, healthspan, longevity, MCFA, physical activity, preventive medicine, SCFA, soy

25-Year Japanese Study Identifies Optimal Diet and Lifestyle Factors for Cognitive Health and Functional Aging Read Post »

Nutrition

Genistein Extends Mouse Lifespan 10% Through Gut Microbiome Modulation – Soy Compound Shows Promise for Human Longevity

Key Findings A 2023 study from China Agricultural University demonstrated that dietary genistein supplementation significantly extends both healthspan and lifespan in mice through gut microbiome modifications. Longevity Benefits Mechanism of Action Gut Microbiome Changes: Fecal Transplant Validation: Study Design Genistein Sources and Background Genistein is found in leguminous plants, particularly soybeans and coffee beans. Previous

aging, aging research, animal model, anti-aging interventions, genistein, gut microbiome, healthspan, inflammation, lifespan extension, longevity, longevity research, metabolic health, mouse study, preclinical study, SCFA, translational medicine

Genistein Extends Mouse Lifespan 10% Through Gut Microbiome Modulation – Soy Compound Shows Promise for Human Longevity Read Post »

Research

Spermidine Intake Reduces Mortality Risk by 24% in 20-Year Human Study: Dietary Polyamine Shows Anti-Aging Effects Equivalent to Being 5.7 Years Younger

Main Findings This prospective study provides the first evidence that higher dietary spermidine intake significantly reduces all-cause mortality in humans. The research demonstrates a strong dose-response relationship, with participants in the highest tertile of spermidine consumption showing mortality risks equivalent to being 5.7 years younger. Study Design and Population Primary Cohort: Bruneck Study Validation Cohort:

aging, anti-aging interventions, autophagy, calorie restriction, cancer prevention, cardiovascular protection, clinical trial, dietary intervention, epidemiology, healthspan, longevity, longevity research, metabolic health, mortality, preventive medicine, spermidine

Spermidine Intake Reduces Mortality Risk by 24% in 20-Year Human Study: Dietary Polyamine Shows Anti-Aging Effects Equivalent to Being 5.7 Years Younger Read Post »

Fitness

Higher Whole-Body Flexibility Associated with 60-85% Lower Mortality Risk: New Evidence from Flex Index Study

TL;DR: A meta-analysis shows that both grip strength and whole-body flexibility are independently associated with reduced all-cause mortality risk. Higher flexibility scores were linked to significantly better survival rates in both men and women, even after adjusting for various health factors, though causation hasn’t been established. Key Statistical Findings Methodology Limitations The study suggests flexibility

aging, aging research, biohacking, biomechanics, epidemiology, exercise science, fitness, fitness science, flex index, flexibility, grip strength, healthspan, longevity, meta-analysis, mobility, mortality, physical fitness, preventive medicine, strength training, survival, VO2 max

Higher Whole-Body Flexibility Associated with 60-85% Lower Mortality Risk: New Evidence from Flex Index Study Read Post »