#genetics_of_migraine
Genetics of migraine
Migraine is often hereditary. It is estimated that 60% of migraine cases are caused by genetics. The role of natural selection in the development of migraines is not known. Fitness-impairing disorders, including migraines, tend to disappear as a result of natural selection, and their frequency decreases to near the rate of spontaneous mutation. However, it is estimated that migraines affect 15-20% of the population and is increasing. This could suggest that a central nervous system (CNS) susceptible to severe, intermittent headache has been linked to an important survival or reproductive advantage. Five possible evolutionary explanations exist: i) migraine as a defence mechanism, ii) migraine as a result of conflicts with other organisms, iii) migraine as a result of novel environmental factors, iv) migraine as a compromise between genetic harms and benefits, and v) headache as a design constraint. These considerations allow the treatment and prevention of migraine to be approached from an evolutionary medicine perspective.
Thu 11th
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