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Live until 120
Live until 120
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The phrase "May you live until 120" (Hebrew: עד מאה ועשרים שנה: Ad me'ah ve-essrim shana; Yiddish: ביז הונדערט און צוואַנציק‎; Biz hundert un tsvantsik), often written as "till 120", is a traditional Jewish blessing.[1]

The most often cited source is Genesis 6:3: "And the LORD said: 'My spirit shall not abide in man for ever, for that he also is flesh; therefore shall his days be a hundred and twenty years."[2]

Later, in Deuteronomy 34:7, the age of Moses upon his death is given as 120, at which age "his eye had not dimmed, and his vigor had not diminished".[3] The blessing therefore carries the implication that the receiver should retain his full mental and physical faculties to the end of his life.[4]

The saying is a fixture of Jewish humor, as in the story of a man who said to his noisy neighbor "May you live until 119" and then said to the wife "May you live until 120." When asked by the husband "why only until 119", the man who was seeking a bit of quiet said "she deserves one good year". Another joke said is: "What do you say to someone on their 120th birthday? Have a nice day".

This phrase has gained a colloquial addition based on the close sound of Ad me'ah ve-essrim shana and Ad me'ah ke-essrim shana which means "till 100 like 20", meaning to live with the health of a 20 year old till the age of 100.[5]

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from Grokipedia
"Live until 120" is a phrase rooted in Jewish tradition as a blessing for a long, healthy, and purposeful life, derived from the biblical account of dying at age 120 with undiminished vitality, and in modern scientific discourse, it represents the goal of extending the human maximum lifespan to approximately 120 years through interventions like and genetic research. In , the expression originates from Genesis 6:3, where limits human life to 120 years, and Deuteronomy 34:7, describing ' death at that age with clear eyes and firm strength, symbolizing an ideal of aging with and . This blessing, often invoked at celebrations, underscores the value of cherishing each day as a divine gift and pursuing spiritual growth through and mitzvot. Scientifically, 120 years is considered a provisional biological limit for based on demographic analyses of maximum reported age at , with like Jeanne Calment's 122 years as outliers, and recent studies estimating this ceiling for women in large populations without major breakthroughs. Efforts to achieve this include with optimal nutrition (CRON), pioneered by in the 1960s, which has extended lifespans in animal models by reducing age-related diseases like cancer and . Additionally, research has demonstrated a 50% extension of healthy lifespan in and roundworms by enhancing the AMAR process to clear toxic byproducts, suggesting potential human applications to delay diseases such as neurodegeneration and cardiovascular issues. These approaches highlight ongoing interdisciplinary pursuits in to approach or surpass this benchmark while addressing societal implications of extended lifespans.

Religious and Cultural Origins

Biblical Foundations

In the , the concept of a 120-year human lifespan originates primarily from Genesis 6:3, where declares a limit on following the increasing corruption of humanity before the . The verse states in Hebrew: וַיֹּאמֶר יְהוָה לֹא־יָדוֹן רוּחִי בָאָדָם לְעֹלָם בְּשַׁגַּם הוּא בָשָׂר וְהָיוּ יָמָיו מֵאָה וְעֶשְׂרִים שָׁנָה, translated as: "Then the LORD said, 'My spirit shall not abide in mortals forever, for they are flesh; therefore their days shall be one hundred twenty years'" (JPS Tanakh). This pronouncement is interpreted theologically as establishing a divine cap on mortality, reflecting 's response to human wickedness by curtailing the indefinite previously enjoyed, thereby emphasizing the fragility of fleshly . This declaration occurs in the historical context of pre-Flood antiquity, where biblical genealogies in Genesis 5 describe extraordinarily extended lifespans, contrasting sharply with the post-Flood era's reduction. For instance, , son of , is recorded as living 969 years, the longest lifespan mentioned, symbolizing an era of near-immortal vigor before divine intervention. Post-Flood, human ages gradually decline, aligning with the 120-year boundary as a normative limit, underscoring a theological shift from prolonged earthly tenure to heightened accountability within a finite life. Further reinforcing 120 years as an ideal benchmark of vitality is Deuteronomy 34:7, which recounts ' death: "Moses was one hundred twenty years old when he died; his sight was not dimmed nor his vigor abated" (JPS Tanakh). This portrayal highlights achieving the divinely set span without the typical frailties of age, presenting it as a model of undiminished strength at the mortal threshold. These verses collectively frame 120 years as a sacred demarcation of , later echoed in Jewish traditions of .

Jewish Blessing Tradition

In Jewish tradition, the phrase "Ad me'ah ve'esrim shanah," meaning "until 120 years," serves as a standard wishing someone a long and fulfilling life, rooted in the biblical account of ' death at that age. This expression is commonly invoked at celebratory events such as birthdays and weddings, as well as more solemn occasions like funerals, to convey hopes for vitality and continuity. A popular variation, "L'chayim ad me'ah ve'esrim" ("to life until 120"), integrates the toast "l'chayim" ("to life") often heard at gatherings with alcohol, emphasizing communal joy and shared aspirations for endurance. The usage of this blessing evolved into a widespread custom in the last few hundred years, gaining prominence in post-medieval Jewish communities across and beyond. In Yiddish-speaking environments, it appears as "biz hundert un tsvantsik" (until a hundred and twenty), a phrase frequently exchanged in everyday greetings and rituals. This form, sometimes rendered as "a chayim bis 120 yor" to blend the toast with the lifespan wish, underscores its integration into vernacular speech. Within Hasidic and Orthodox circles, the blessing holds particular resonance, often recited during lifecycle events and synagogue addresses to invoke divine protection and communal solidarity. Symbolically, "ad me'ah ve'esrim shanah" transcends mere , representing a life marked by purpose, piety, and spiritual fulfillment, much like ' exemplary existence of leadership and unwavering vigor. It embodies the ideal of aging gracefully while contributing to family and community, drawing on the Torah's portrayal of 120 years as a benchmark for a complete, meaningful human journey.

Interpretations in Rabbinic Literature

In rabbinic literature, the phrase from Genesis 6:3 limiting human days to 120 years sparked extensive debate over whether it imposed a literal cap on lifespan or referred to a temporary period of divine forbearance. Rashi, in his commentary on the verse, interprets the 120 years as the duration God allotted for humanity to repent before the onset of the Flood, rather than a permanent restriction on individual longevity. This view aligns with several medieval commentators, including the Ramban (Nachmanides), who similarly sees it as a countdown to judgment, emphasizing God's patience amid human corruption. Contrasting interpretations treat the 120 years as a literal upper bound on human life, established post-Flood to curb excessive that enabled greater . For instance, the Malbim argues that divine gradually reduced average lifespans from the pre-Flood era's centuries-long ages to 120 years by the time of , reflecting a shift toward frailty as a moral check. The Abarbanel extends this, linking the limit to the weakening of vital forces after the Flood's upheaval, making 120 the normative maximum thereafter. These perspectives draw on Talmudic discussions in Chullin 139b, which connect the verse to a progressive decline in vitality, culminating in 120 as the ideal endpoint. Talmudic sources further elaborate on 120 years through the lens of human development stages and as exemplar. 5:21 outlines life's phases—such as 30 for full strength, 40 for understanding, 50 for counsel, 60 for maturity, 70 for gray hairs, 80 for vigor, 90 for frailty, and 100 as akin to death—implicitly framing 120 as a rare attainment of sustained wisdom and purpose beyond ordinary decline. Sotah 13b highlights ' death at exactly 120, with undimmed eyes and unabated vigor (Deuteronomy 34:7), positioning his lifespan as the pinnacle of righteousness-enabled . ic traditions, including those in Midrash HaGadol, reinforce this by portraying ' age as the divinely ordained ideal, achieved through unwavering observance and leadership. Medieval and later rabbis, such as the Chizkuni, integrated these ideas by viewing 120 not as rigid but as aspirational, attainable via ethical living and mitzvot that align body and soul. This scholarly discourse influenced the common Jewish blessing "ad me'ah ve'esrim shanah" (until 120 years), evoking ' vitality as a model for enduring fulfillment.

Biological and Scientific Perspectives

Human Lifespan Limits

The maximum human lifespan is generally considered to be around 122 years, as evidenced by the verified record of , who lived from 1875 to 1997, reaching 122 years and 164 days. This record, authenticated through extensive documentation including birth and census records, represents the longest confirmed human life to date. A common proxy for this biological ceiling is 120 years, which aligns with the —the observation that normal human cells in culture undergo approximately 40 to 60 divisions before entering , a state of irreversible arrest due to telomere shortening and accumulated damage. This cellular limit, first demonstrated by in 1961, underscores the finite replicative capacity of somatic cells, contributing to organismal aging and suggesting a theoretical upper bound near 120 years under natural conditions. The Gompertz-Makeham law of mortality further delineates these limits by modeling the age-specific death rate as the sum of an age-independent component (e.g., accidents) and an age-dependent component that increases exponentially with age, typically doubling every 8 years after adulthood. Formulated in the and validated across populations, this law predicts that without medical or environmental interventions, the practical maximum lifespan hovers between 115 and 125 years, as mortality risk becomes overwhelmingly high beyond this threshold. Verified supercentenarians, such as Calment, approach but rarely exceed this range, illustrating the law's accuracy in forecasting the exponential escalation of frailty and disease susceptibility in extreme . From an evolutionary perspective, the disposable soma hypothesis explains why lifespan is capped near 120 years, positing that organisms allocate limited resources preferentially to growth and rather than indefinite somatic maintenance and repair. Proposed by Thomas Kirkwood in 1977, this theory highlights a where the soma (body cells) is treated as "disposable" post-reproduction, allowing accumulation of unrepaired damage that accelerates aging and enforces a natural limit. This resource prioritization, conserved across species, ensures evolutionary fitness but inherently restricts post-reproductive lifespan, aligning with observed ceilings without selection for extended maintenance.

Verified Cases of Extreme Longevity

The longest verified human lifespan belongs to of , who lived to 122 years and 164 days, from February 21, 1875, to August 4, 1997. Her age was meticulously validated by the (GRG) through an extensive review of primary documents, including her birth certificate, 17 consecutive French censuses from age 1 to 100, baptismal records, marriage certificates, and civil registrations, establishing her as the only person confirmed to have exceeded 120 years. Calment attributed her longevity in part to a Mediterranean-style diet rich in , which she used liberally on food and skin, along with regular physical activity such as until age 100 and at 85. Among other verified cases approaching 120 years, of the holds the record for the oldest verified North American, reaching 119 years and 97 days before her death on December 30, 1999. The GRG confirmed her age using her , family records, and U.S. data, noting her calm demeanor and low-stress lifestyle as reported by family members, who described her as never appearing flustered even in adversity. Similarly, of , the oldest verified man, attained 116 years and 54 days, from April 19, 1897, to June 12, 2013, validated by the GRG through Japanese family registry documents and government-issued records. Kimura lived in a rural, low-stress environment and followed a moderate lifestyle, including early rising and eating small portions until 80% full, with genetic factors like variants—linked to in studies of centenarians and supercentenarians—potentially contributing across such cases. As of November 2025, the oldest living verified person is Ethel Caterham of the , aged 116 years. Born on August 21, 1909, her age has been validated by the through official birth and census records. Validating extreme presents significant challenges, primarily due to the scarcity of reliable birth documentation for individuals born in the 19th or early 20th centuries. Organizations like the GRG, , and LongeviQuest employ rigorous standards, requiring multiple independent primary sources such as official birth, marriage, and death certificates, supplemented by censuses and ecclesiastical records, to distinguish verified cases from unverified claims. Many purported supercentenarians from regions like and the , such as 's Luo Meizhen (claimed 127 years in 2013), have been dismissed by the GRG for lacking contemporaneous birth documents, often relying instead on anecdotal oral histories or late-life affidavits amid poor historical record-keeping. These cases highlight patterns where verified extreme ages cluster in areas with robust civil registries, underscoring the exceptional nature of documented lifespans near 120 years against biological limits observed in human populations.

Factors Influencing Long Life

Genetic factors play a significant role in achieving extreme longevity, with epidemiological studies of centenarians estimating that heritability accounts for 20–30% of lifespan variation in adults. The New England Centenarian Study (NECS), a longitudinal investigation of individuals aged 100 and older, has highlighted specific genetic variants associated with healthy aging, including those in the apolipoprotein E (APOE) gene, where the ε2 allele is more prevalent among centenarians and supports effective cholesterol management to reduce cardiovascular risk. Additionally, variants in genes like SIRT1, which enhance DNA repair mechanisms and cellular stress resistance, have been linked to longevity in centenarian cohorts by mitigating age-related genomic instability. Lifestyle factors, particularly dietary patterns and social interactions, substantially contribute to reaching advanced ages, as evidenced by population-based research in long-lived communities. Caloric restriction, exemplified by traditional Okinawan practices involving low protein intake and stopping eating at 80% fullness (hara hachi bu), has been associated with reduced morbidity and extended lifespan through improved metabolic health and lower inflammation. Similarly, adherence to the , rich in plant-based foods, , and fish, correlates with a 23% lower of all-cause mortality in large cohort studies, promoting cardiovascular and cognitive health. , a key element in Blue Zones research by , fosters strong community ties that lower levels and , thereby enhancing immune function and adding years to . Environmental influences, including access to healthcare and avoidance of major risks, further enable by preventing premature mortality, according to data. and measures since 1900 have contributed approximately 25 years to average through reduced infectious diseases, with the noting ongoing gains from such infrastructure. Access to quality healthcare extends life by addressing chronic conditions early, potentially adding several years compared to regions with limited services. Avoidance of can increase by 6–8 years if cessation occurs by midlife, while steering clear of and conflict prevents , with studies showing up to 14 years shorter lifespans in violent regions. Moderate exercise, such as 150 minutes weekly of aerobic activity, boosts by 0.4–4.2 years by lowering risks of heart disease and other age-related conditions. These factors are illustrated in verified supercentenarians, who often exhibit combinations of favorable and protective environments.

Modern Longevity Aspirations

Scientific Research on Lifespan Extension

Scientific research on lifespan extension focuses on biomedical interventions to surpass the current human maximum lifespan of approximately 120 years by targeting fundamental aging mechanisms. These efforts include clearing senescent cells, activating to maintain length, modulating nutrient-sensing pathways, and cellular states, with preclinical and early clinical studies demonstrating potential to delay age-related decline. While animal models show promising extensions in healthspan and lifespan, human trials emphasize safety and efficacy in reducing aging biomarkers rather than direct longevity outcomes. Senolytics, drugs designed to selectively eliminate senescent cells that accumulate with age and contribute to tissue dysfunction, represent a key approach. Researchers at the and others have advanced the combination of , a , and , a (D+Q), in clinical trials for conditions like and frailty; for example, a phase II trial in individuals with reported reduced senescent cell burden. Preclinical studies, including human articular chondrocytes, suggest D+Q may alleviate in by reducing (SASP) factors and restoring chondrogenic potential, though confirmatory human trials for are lacking. In models, intermittent D+Q administration extended median lifespan by up to 36% and enhanced physical function, highlighting the potential to alleviate multiple age-related pathologies. Complementing this, UNITY Biotechnology is developing UBX1325, a inhibitor, for age-related ; phase II trials as of 2023 showed improved in some patients. extension strategies aim to counteract replicative by activating , the that maintains ends. The supplement TA-65, derived from Astragalus root, has been shown in studies to elongate short telomeres and increase healthspan—measured by improved glucose tolerance, fitness, and reduced —without elevating , though it did not significantly extend maximum lifespan in female mice. Caloric restriction mimetics, compounds that replicate the longevity benefits of reduced calorie intake without dietary changes, target pathways like and AMPK to promote and metabolic efficiency. Rapamycin, an inhibitor, consistently extends lifespan in mice by 10-20% across sexes and starting ages, and in humans, low-dose trials have enhanced immune responses to vaccines and lowered infection rates in the elderly, suggesting delayed . Similarly, metformin, an AMPK activator and common diabetes drug, is under investigation in the Targeting Aging with Metformin () trial, a planned six-year study of 3,000 adults aged 65-79 to assess its ability to delay the onset of age-related diseases like cancer, , and cardiovascular issues by modulating and mitochondrial function; as of 2025, the trial remains partially funded and has not yet fully commenced, though preclinical data in non-human primates indicate geroprotective benefits. Preclinical data indicate metformin could extend healthspan by attenuating aging hallmarks, with implying potential human lifespan increases beyond current limits if disease incidence is postponed. Gene editing and stem cell technologies offer transformative potential by directly correcting age-associated genetic damage and regenerating tissues. CRISPR-Cas9 has been applied to edit aging-related genes, such as those involved in and epigenetic regulation, with studies in mice reversing progeria-like symptoms and extending lifespan by targeting mutations in lamin A. is pioneering partial cellular reprogramming using modified Yamanaka factors to reset epigenetic clocks without full dedifferentiation, achieving rejuvenation of mouse tissues and improved function in aged models. In parallel, -derived organoids—miniature, three-dimensional tissue models—facilitate research into organ replacement therapies, enabling personalized regeneration of livers, kidneys, and brains to combat degenerative decline. However, these advances raise ethical concerns regarding equitable access, as high costs could exacerbate socioeconomic disparities in longevity benefits, prompting calls for inclusive regulatory frameworks.

Cultural and Societal Views on Living to 120

In non-Jewish traditions, the pursuit of extended longevity to 120 years or beyond has been celebrated as a harmonious alignment with natural and spiritual principles. In , the concept of shou—symbolizing and often depicted in art and rituals—emphasizes practices like balanced diet, , and harmony with nature to achieve lifespans exceeding 100 years, as exemplified by historical Taoist masters who reportedly lived over a century without apparent decline. Similarly, Hindu texts such as the portray yogis and ascetics attaining prolonged lives through rigorous and penance, implying that disciplined spiritual practices can extend human vitality far beyond ordinary limits, contrasting sharply with Western cultural anxieties about and resource strain from radical . Media representations often frame living to 120 as both an exhilarating aspiration and a potential burden, highlighting the tension between rejuvenation and societal costs. The 1985 film Cocoon, directed by , depicts elderly protagonists discovering alien pods that restore their youth and vitality, prompting reflections on the joys of renewed life alongside the bittersweet acceptance of mortality and the value of aging gracefully. In literature, de Grey's 2007 book Ending Aging advocates for biotechnological interventions to defeat age-related decline, portraying a future where reaching 120 becomes routine and indefinite healthy lifespans are achievable, though it acknowledges ethical dilemmas like . Public sentiment echoes this ambivalence; a 2024 survey found that 54% of Americans aspire to live to 100 if in good health, underscoring widespread optimism tempered by concerns over quality of life. Societal implications of widespread longevity to 120 extend to economic and ethical debates, particularly around resource distribution and intergenerational fairness. projections estimate that the global number of centenarians will surge to 3.7 million by 2050, driven by medical advances and declining , intensifying discussions on and environmental pressures. Pension systems face strain from extended s, with analyses from the highlighting the need for reforms like higher retirement ages or diversified funding to sustain benefits amid rising life expectancies. Workforce exacerbates these challenges, as debates reveal persistent biases against older employees in hiring and promotions, potentially sidelining experienced workers in a prolonged-career era and raising questions about equitable access to opportunities for all age groups. These concerns, while rooted in diverse global perspectives—including a brief nod to Jewish traditions as one influential source of symbolism—underscore the philosophical tension between celebrating extended life and ensuring societal .

Notable Proponents and Initiatives

, a prominent biogerontologist, has been a leading advocate for radical lifespan extension through his development of the "" concept, which posits that periodic therapies could enable indefinite lifespans, potentially reaching 1,000 years or more, by outpacing the rate of aging. This framework is operationalized via seven (SENS), targeting damage repair in cellular and molecular processes such as mitochondrial mutations and extracellular aggregates. De Grey founded the SENS Research Foundation in 2009 to advance these approaches, which has received over $25 million in donations from philanthropists including and the , supporting research into senolytic therapies and lysosomal enhancement. In 2022, following internal challenges at SENS, de Grey established the Longevity Escape Velocity (LEV) Foundation to accelerate clinical translation of these repair-based interventions. Several major organizations have launched initiatives dedicated to extending human healthspan toward 120 years or beyond, often emphasizing biomarkers of aging. The Buck Institute for Research on Aging, founded in 1999 as the world's first independent biomedical research institute focused on aging, conducts studies on interventions like taurine supplementation and dietary restriction that have demonstrated lifespan extensions in model organisms such as worms and mice, with implications for human biomarkers like inflammation and metabolic health. Similarly, Calico Life Sciences, launched by Alphabet (Google's parent company) in 2013 with an initial investment exceeding $1 billion and subsequent commitments totaling around $2.5 billion by 2018, targets the biology of aging through biomarker discovery and therapeutic development, including collaborations on cellular senescence and age-related diseases; however, in November 2025, AbbVie terminated its long-term alliance with Calico. Elon Musk has expressed interest in longevity extension through cognitive enhancement via , his brain-computer interface company founded in 2016, which aims to merge human cognition with AI to preserve mental function and potentially counteract age-related decline, aligning with broader goals of human augmentation for extended productive lifespans. David Sinclair, a professor of at , advocates for lifespan extension to 120 years through sirtuin activation and NAD+ boosting, as detailed in his 2019 book Lifespan: Why We Age—and Why We Don't Have To, which argues that aging is a treatable disease via epigenetic reprogramming. Sinclair promotes (NMN) supplements, which he takes daily at 1 gram to elevate NAD+ levels and support cellular repair, citing preclinical evidence of improved vascular and cognitive function in aging models. Historically, , the Russian-French immunologist who shared the 1908 in or for work on , championed consumption as a means to promote by modulating to reduce toxin absorption and delay , based on observations of long-lived Bulgarian peasants in the early 1900s. This approach influenced early 20th-century dietary interventions for extended healthspan.

References

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