megrim is a chronic, episodic dis do causing determined head aches, jetly characterized by throbbing pain on one expression of the head that lasts at least quartet hours and can tarry for days (Araki, 2004). In 90 portion of attacks there is consequent nausea and delayed gastric empty (Barkin, Lubenow, Bruehl, et al, 2003). Sensitivity to short (photophobia) or sound (phonophobia), or ocular disturbances may obey hemicrania headaches and may be exacerbated by movement or physical activity (Lipton, Stewart, & international adenosine monophosphate; Simon, 1998). The frequency of attacks can very from two to three per socio-economic class to two or more(prenominal) per week (OBrien, Goeree & Streiner, 2004). An estimated eight per centum of Canadians, aged 12 or older film certain a clinical diagnosis of hemicrania (Kryst & Scherl, 1999). However, this subjugate greatly underestimates migraine preponderance because many sufferers do not seek checkup at tention (Lipton, Stewart & Simon, 1998), and many of those who do remain undiagnosed. Migraine is three times more common in females (11.7 percent) than males (3.8 percent) (OBrien, Goeree & Streiner, 2004). Hormonal fluctuations that women experience related to menstruation, verbal contraceptive use, pregnancy, menopause and hormone replacement therapy appear to act upon migraine prevalence (Silberstein, 1999). However, a sustained higher relative incidence of migraine in women in older age suggests the founding of additional factors that have not yet been identified. A migraine may occur spontaneously with no app arnt reason, but quite an often occurs in response to known triggers.
Common triggers for migraine incl! ude environmental factors, tyramine containing foods, sulfites, nitrites and monosodium glutamate (Davidoff, 2001). Hormonal triggers involve fluctuating oestrogen levels (Silberstein, 1997). Other triggers are related to lifestyle, such as disagreeable events, overexertion, fasting or dieting, excessive sleep, anger or depression. (Pearce, 2004). A specific group of neurological symptoms called aura often precede or accompany the headache phase of a... Your es take is very detailed and informative. I would say it is one of the shell that I have had the pleasure to read. resplendently cited. Thank you! If you insufficiency to get a full essay, order it on our website:
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