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The research, published in the American Psychological Association’s Psychology and Aging journal, examined data from around 14,000 participants in the German Aging Survey, which studies old age ...
Aging studies is an interdisciplinary field, which can be affiliated with the wider approaches found in cultural studies, gender studies, media and film studies, consumer culture, etc. Researchers working in this field interrogate the cultural discourses and practices that construct the meaning of ageing.
Stem cell theory of aging; Stereotype embodiment theory; T. Telomere theory of aging; V. Vital substance theory of aging; W. Waste product accumulation theory of aging;
Ageing (or aging in American English) is the process of becoming older. The term refers mainly to humans , many other animals , and fungi, whereas for example, bacteria, perennial plants and some simple animals are potentially biologically immortal .
In 1968 it took the form and became known as the neuroendocrine theory of aging. [38] [39] [40] 1956 Denham Harman proposed the free-radical theory of aging and demonstrated that free radical reactions contribute to the degradation of biological systems. [41] The theory is based on the ideas of Rebeca Gerschman and her colleagues put forward in ...
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According to this theory, life span development has multiple trajectories (positive, negative, stable) and causes (biological, psychological, social, and cultural). Individual variation is a hallmark of this theory – not all individuals develop and age at the same rate and in the same manner. [15] Bronfenbrenner's ecological theory
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 ]