Researchers from Sweden had presented a report saying that wearing high heels may be associated with //higher incidence of mental disorders like schizophrenia etc.
Jarl Flensmark says high heels cause their wearers to tense their calves in a way that normal walking never does. That could prevent neuro-receptors in the calf muscles from triggering release of dopamine, a compound necessary for mental well-being.
"During walking, synchronized stimuli from mechanoreceptors in the lower extremities increase activity in cerebellothalamo-cortico-cerebellar loops through their action on NMDA-receptors," Flensmark wrote in a recent paper in the journal Medical Hypotheses.
"Using heeled shoes leads to weaker stimulation of the loops. Reduced cortical activity changes dopaminergic function, which involves the basal gangliathalamo-cortical-nigro-basal ganglia loops," he said.
Long term wearing of high heels could conceivably explain why Western societies have higher rates of schizophrenia among women then do other societies where high heels are rarely worn.
"Heeled footwear," he writes, "began to be used more than 1,000 years ago, and led to the occurrence of the first cases of schizophrenia ... Industrialization of shoe production increased schizophrenia prevalence.
"Mechanization of the production started in Massachusetts, spread from there to England and Germany, and then to the rest of Western Europe. A remarkable increase in schizophrenia prevalence followed the same pattern."
Flensmark says he has done painstaking research into his subject.
"The oldest depiction of a heeled shoe comes from Mesopotamia, and in this part of the world we also find the first institutions making provisions for mental disorders ... In the beginning, schizophrenia appears to be more common in the upper classes."
He cites evidence from other parts of the world, too - Turkey, Taiwan, the Balkans, Ire
land, Italy, Ghana, Greenland, the Caribbean and elsewhere. He then cites studies from India and elsewhere, which seem to confirm that schizophrenia first affects the upper classes".
From these two streams of evidence - the rise of heels and the increase in documented cases of schizophrenia - Flensmark divines a strong connection.
He modestly implies that he is not the first to do so. In the year 1740, he writes, "the Danish-French anatomist Jakob Winslow warned against the wearing of heeled shoes, expecting it to be the cause of certain infirmities which appear not to have any relation to it".
Flensmark boils the matter into a damning statement: "After heeled shoes are introduced into a population, the first cases of schizophrenia appear and then the increase in prevalence of schizophrenia follows the increase in use of heeled shoes.
"I have," he writes, "not been able to find any contradictory data."
Medindia on Schizophrenia: Further information
Schizophrenia: This is a chronic severe disabling mental illness. Some of the symptoms suffered by schizophrenia are hallucinations seen or heard, feelings of being persecuted, becoming withdrawn, aggression and deranged behavior. Schizophrenia can be treated symptomatically, but only one in five patients have a chance of full recovery.
Dopamine:This is a protein produced in the hypothalamus and some areas of the central and peripheral nervous system. Dopamine and its agonists play an important role in hormonal, cardiovascular, renal and central nervous system regulations. The dopamine transporter mediates the acceptance of dopamine into neurons and is often the target of various drugs targeting the functions of the systems activated by it.
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