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Joseph L. Graves Jr. (born 1955) is an American evolutionary biologist and geneticist.He is a professor of biological science at North Carolina Agricultural and Technical State University, and a former associate dean for research at the Joint School for Nanoscience and Nanoengineering, which is jointly administered by North Carolina A & T State University and UNC Greensboro.
Selectivity theory (aging) Socioemotional selectivity theory; Stage-crisis view; Stem cell theory of aging; Stereotype embodiment theory; T. Telomere theory of aging; V.
Aging by design theory; Aging theories based on evolvability; Aging theories based on group selection; Antagonistic pleiotropy hypothesis; C. Cross-linking theory of ...
The theory that DNA damage is the primary cause of aging is based, in part, on evidence in human and mouse that inherited deficiencies in DNA repair genes often cause accelerated aging. [ 29 ] [ 30 ] [ 27 ] There is also substantial evidence that DNA damage accumulates with age in mammalian tissues, such as those of the brain, muscle, liver and ...
The somatic mutation theory of ageing states that accumulation of mutations in somatic cells is the primary cause of aging. A comparison of somatic mutation rate across several mammal species found that the total number of accumulated mutations at the end of lifespan was roughly equal across a broad range of lifespans. [ 16 ]
Bubbles of methane, created by methanogens, that are present in the marsh, more commonly known as marsh gas. Marsh gas, also known as swamp gas or bog gas, is a mixture primarily of methane and smaller amounts of hydrogen sulfide, carbon dioxide, and trace phosphine that is produced naturally within some geographical marshes, swamps, and bogs.
The network theory of aging provides a deeper look at the damage and repair processes at the cellular level and the ever changing balance between those processes. To fully understand the network theory as its applied to aging you must look at the different hierarchical elements of the theory as it pertains to aging.
Walford authored several books, and set out his dietary beliefs in the bestseller Beyond the 120-Year Diet. In addition, he published at least 340 scientific papers, mainly focused on the biology of aging. Walford authored or co-authored the following books: [15] R. L. Walford (1960). Leukocyte Antigens and Antibodies. New York: Grune and ...
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