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Rapid flickers in intensity of light may trigger or aggravate photosensitive epilepsy, epileptic seizure, or migraine headaches. [4] Conditions that may include sensitivity to light include vertigo and chronic fatigue syndrome. Controlled application of artificial light can be used in a program of light therapy to treat some disorders.
The increasing prevalence of migraine is easily a result of increased known triggers, such as bright light, loud noise, altered sleep/wake patterns, and emotional stress. This is an example of mismatch theory , which states that the current environment differs from the evolutionary environment of a particular trait.
Scintillating scotomas are most commonly caused by cortical spreading depression, a pattern of changes in the behavior of nerves in the brain during a migraine. Migraines, in turn, may be caused by genetic influences and hormones. People with migraines often self-report triggers for migraines involving stress or foods, [9] or bright lights. [10]
Heat can act as both a notorious trigger or a soothing remedy for migraines. We dug into the intricate balance pain sufferers must navigate. How Heat Can Be Both A Culprit And A Cure For Migraines
A migraine headache can throw your whole day off track. But if you can learn to pick up on your subtle migraine warning signs, you might able to avoid the pain entirely, experts say. "This is a ...
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Migraine does not appear to increase the risk of death from stroke or heart disease. [143] Preventative therapy of migraine in those with migraine with aura may prevent associated strokes. [144] People with migraine, particularly women, may develop higher than average numbers of white matter brain lesions of unclear significance. [145]
However, the migraine aura can manifest itself in isolation, that is, without being followed by headache. The aura can stay for the duration of the migraine; depending on the type of aura, it can leave the person disoriented and confused. It is common for people with migraines to experience more than one type of aura during the migraine.
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