What are the Causes, Implications, and Uses of Facial Asymmetry?
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Facial asymmetry is a superficial aspect of human appearance with complex origins. This literature review examines and evaluates the most significant causes of facial asymmetry—from genetics to lifestyle and the aging process. Although these factors are intricately interrelated, lifestyle and environmental factors affect the development of the facial asymmetry more than genetics. Lifestyle habits alter originally genetically symmetric faces or contribute further to genetically asymmetric faces. Despite not pertaining fully to neither genes nor environment, aging also affects facial asymmetry. Although facial asymmetry seems solely external, it is important to study facial asymmetry because it may have far-reaching implications that can be utilized practically. It is known to influence interpersonal and societal treatment, due to the conflation of facial symmetry and attractiveness and thereby better treatment. It could also result in interesting uses in health care and diagnoses because of its potential indications on health and well-being, yet this requires further research.
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