The science of aging well and living longer, healthier lives.
The hallmarks of aging give researchers a shared vocabulary for what breaks down over time. They are a scaffold for inquiry, not a menu of proven treatments.
Blue Zones combine real epidemiological insight with contested demographic claims. The lifestyle lessons hold up better than the supercentenarian mystique.
Caloric restriction reliably extends lifespan in lab animals and improves human biomarkers. Whether it lengthens human life, and at what cost, remains open.
Rapamycin and metformin lead the search for longevity drugs. The preclinical case is real; the human evidence for slowing aging remains preliminary.
Muscle strength and power predict late-life mortality as reliably as many standard risk factors. Resistance training is a high-yield longevity investment.
A longevity-focused exercise plan trains aerobic base, VO2 max, strength, and stability. The prescription is unglamorous but consistently supported by evidence.
Cognitive aging is uneven. Processing speed slows, but knowledge and judgment often grow. The most effective protection looks like cardiovascular medicine.
Social connection predicts mortality with effect sizes that rival established medical risk factors. It is chronically underweighted in health guidance.
Several dietary patterns support longevity; they mostly agree with each other. Plant-forward, minimally processed eating with adequate protein remains the core.
Biological age tests reflect real science but are noisier and less actionable at the individual level than their marketing suggests. Trends beat single readings.
Grip strength, gait speed, and single-leg balance are among the most durable low-cost predictors of healthy aging, and each can be measured and improved without a laboratory.
Sleep duration, regularity, and quality track with mortality and chronic disease risk across large cohorts, making it one of the highest-leverage longevity inputs available.
Persistent low-grade inflammation, or inflammaging, tracks with cardiovascular, cognitive, and frailty risk, with the strongest causal human evidence in cardiovascular disease.
VO2 max integrates cardiac, pulmonary, and muscular function into one number that predicts mortality and determines whether everyday tasks stay easy in later life.
Falls are the leading cause of injury deaths in older adults and among the most preventable, with balance training, medication review, and vision care offering the strongest evidence.
Senescent cells accumulate with age and drive inflammation and tissue dysfunction; senolytic drugs show promise in mice but human evidence is still early.
A stronger sense of purpose is prospectively linked to lower mortality and slower cognitive decline across large cohorts, plausibly through behavioral, social, and physiological pathways.
Cognitive reserve helps explain why similar brain pathology produces different clinical outcomes, and is built through decades of education, complex work, learning, and social engagement.
Women outlive men but live more years with disability, and cardiovascular, hormonal, and musculoskeletal aging differ enough by sex to warrant different longevity strategies.
A stage-appropriate longevity plan shifts by decade, from building capacity in the 20s and 30s to managing cardiometabolic risk in midlife and preserving function later.