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Genetic theories of aging propose that aging is programmed within each individual's genes. According to this theory, genes dictate cellular longevity. Programmed cell death, or apoptosis, is determined by a "biological clock" via genetic information in the nucleus of the cell. Genes responsible for apoptosis provide an explanation for cell ...
In general, biological aging clocks and biomarkers of aging are expected to find many uses in biological research since age is a fundamental characteristic of most organisms. Accurate measures of biological age (biological aging clocks) could be useful for testing the validity of various theories of biological aging,
The DNA damage theory of aging postulates that DNA damage is ubiquitous in the biological world and is the primary cause of ageing. [27] The theory is based on the idea that ageing occurs over time due to the damage of the DNA. As an example, studies of mammalian brain and muscle have shown that DNA repair capability is relatively high during ...
As women age, ovarian reserve -- which is defined as the quantity and the quality of the eggs remaining in the ovaries -- declines, and when all eggs are depleted, menopause starts and ...
Pages in category "Theories of biological ageing" The following 30 pages are in this category, out of 30 total. ... Aging by design theory; Aging theories based on ...
While we can test biological age for some insights into how well someone is aging, for now, the best way to stay healthy is to keep up to date with screenings and follow the evidence-based ...
Strength of natural selection plot as a function of age. The antagonistic pleiotropy hypothesis (APT) is a theory in evolutionary biology that suggests certain genes may confer beneficial effects early in an organism's life, enhancing reproductive success, while also causing detrimental effects later in life, contributing to the aging process.
A biohacker has shared an insight into her rigorous lifestyle as part of her ambitious quest to live to 150.. Kayla Barnes-Lentz, 33, who runs a “biology upgrading clinic” in LA called LYV The ...