Related Experiment Video
Updated: Jun 14, 2026
10:39
A Suppressor Screen for the Characterization of Genetic Links Regulating Chronological Lifespan in Saccharomyces cerevisiae
Published on: September 17, 2020
Search for mechanisms of exceptional human longevity
Natalia S Gavrilova1, Leonid A Gavrilov
1Center on Aging, NORC and The University of Chicago, Chicago, Illinois 60637, USA. gavrilova@longevity-science.org
Rejuvenation Research
|April 8, 2010
Summary
Discover key factors for exceptional human longevity. Being born to a young mother boosts survival to 100 years, while a stout body build at age 30 decreases these chances.
Area of Science:
- Gerontology
- Human Longevity Research
- Biostatistics
Background:
- Understanding the predictors of exceptional human longevity is crucial for public health.
- Identifying modifiable and non-modifiable factors can inform interventions to promote healthy aging.
Purpose of the Study:
- To identify significant predictors and underlying mechanisms of exceptional human longevity.
- To analyze detailed data on individuals who have survived to 100 years in the United States.
Main Methods:
- Collection, validation, and analysis of detailed data on centenarians in the United States.
- Statistical analysis to determine the impact of early-life and mid-life characteristics on longevity.
Main Results:
- Being born to a young mother was identified as a significant predictor of reaching 100 years.
- A stout body build (top 15% heaviest) at age 30 was found to significantly decrease the chances of survival to 100 years.
Conclusions:
- Early-life and mid-life personal characteristics significantly influence human longevity.
- Maternal age at birth and body mass in early adulthood are important factors in exceptional longevity.
Related Concept Videos
01:37Mitochondria
Mitochondria are eukaryotic cellular organelles that are known to produce energy through a process called oxidative phosphorylation. Besides their primary function, mitochondria are involved in various cellular processes, including cell growth, differentiation, signaling, metabolism, and senescence. Age-related changes cause a decline in mitochondrial quality and integrity due to increased mitochondrial mutations and oxidative damage. Thus, aging can severely impact mitochondrial functions,...
01:26Aging
Aging is a complex biological phenomenon influenced by various processes that affect cellular and systemic functions. Several prominent theories attempt to explain its mechanisms, highlighting cellular limitations, oxidative damage, and hormonal changes as central factors in aging.
Cellular Clock Theory
The cellular clock theory posits that the human lifespan is closely tied to the finite capacity of cells to divide, a phenomenon governed by telomeres, which are protective caps at the ends of...
Cellular Clock Theory
The cellular clock theory posits that the human lifespan is closely tied to the finite capacity of cells to divide, a phenomenon governed by telomeres, which are protective caps at the ends of...
02:20Longitudinal Research
Sometimes we want to see how people change over time, as in studies of human development and lifespan. When we test the same group of individuals repeatedly over an extended period of time, we are conducting longitudinal research. Longitudinal research is a research design in which data-gathering is administered repeatedly over an extended period of time. For example, we may survey a group of individuals about their dietary habits at age 20, retest them a decade later at age 30, and then again...
02:41Telomeres and Telomerase
In eukaryotic DNA replication, a single-stranded DNA fragment remains at the end of a chromosome after the removal of the final primer. This section of DNA cannot be replicated in the same manner as the rest of the strand because there is no 3’ end to which the newly synthesized DNA can attach. This non-replicated fragment results in gradual loss of the chromosomal DNA during each cell duplication. Additionally, it can induce a DNA damage response by enzymes that recognize single-stranded DNA.
02:41Telomeres and Telomerase
In eukaryotic DNA replication, a single-stranded DNA fragment remains at the end of a chromosome after the removal of the final primer. This section of DNA cannot be replicated in the same manner as the rest of the strand because there is no 3’ end to which the newly synthesized DNA can attach. This non-replicated fragment results in gradual loss of the chromosomal DNA during each cell duplication. Additionally, it can induce a DNA damage response by enzymes that recognize single-stranded DNA.
01:19The Effect of Aging on Tissues
Several body functions deteriorate with age. The external signs of aging are easily identifiable. For example, the skin becomes dry, less elastic, and thins out, forming wrinkles. The skin of the face begins to appear looser due to a decrease in the levels of elastic and collagen fibers in the connective tissue. Additionally, melanin production in the hair follicle decreases with age, resulting in gray hair. Moreover, the senses of sight and hearing decline, so glasses and hearing aids may...