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Amyloid beta (Aβ) was found to cause neurotoxicity and cell death in the brain when present in high concentrations. Aβ results from a mutation that occurs when protein chains are cut at the wrong locations, resulting in chains of different lengths that are unusable.
Certain types of headaches may be a sign of a more serious condition, such as a brain tumor or aneurysm, especially if the pain is sudden or severe, according to Cohen. "This highlights the ...
Migraine is believed to be caused by a mixture of environmental and genetic factors that influence the excitation and inhibition of nerve cells in the brain. [8] An incomplete "vascular hypothesis" postulated that the aura of migraine is produced by vasoconstriction and the headache of migraine is produced by vasodilation.
The first possibility is that migraine offers an advantage to the organism in fighting infection by increasing blood flow to the brain. [3] The second possibility is that certain pathogens evolved to cause headaches as a way of speeding their transmission to other organisms. [ 3 ]
Researchers believe migraine attacks begin deep in the brain stem, when communication between nerves is disrupted. These disruptions can signal migraine symptoms, like fatigue and headache, which ...
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Generally, headaches caused by brain masses are incapacitating and accompanied by vomiting. [84] One study found characteristics associated with brain tumor in children are: headache for greater than 6 months, headache related to sleep, vomiting, confusion, no visual symptoms, no family history of migraine and abnormal neurologic exam. [89]
Kaycie Kraus, 14, had excruciating migraines and a MRI revealed a brain tumor. Doctors couldn't perform surgery, offered chemotherapy. Laser ablation helped.
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