There are changes in activity of certain brain regions which occur during an acute migraine attack that give rise not just to pain, but a wide variety of symptoms.

急性偏头痛发作时，大脑某些区域的活动会有所改变，这样引起的不仅仅是疼痛，还有一系列其它症状。

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Mrs Schiavo, then 26, suffered a heart attack that caused massive loss of oxygen to the brain.

当时26岁的舒阿佛夫人因心脏病发作引起脑部大量缺氧。

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Experts say traumatic brain injury can heal better than injury from stroke or heart attack, such as Schiavo suffered.

专家称创伤性脑损伤比中风诱发的脑损伤或者像夏沃一样的心脏病诱发的脑损伤更易治愈。

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Clots can block the flow of blood to the heart or brain and cause a heart attack or stroke.

VOA: special.2009.10.20

She was shot through the brain. Police believe she was the main target of the attack -- the first shooting of a member of Congress in more than thirty years.

VOA: special.2011.01.15

In my book, I argue that we should instead grasp the neuroethical nettles that threaten to choke the growth of the new field neurocriminology, recognize that there is more to crime than bad environments, and attack the brain basis to violence.

CNN: Opinion: Unlocking crime using biological keys

Another is that something else causes the lesions, and the tau protein is the brain's defence against that attack.

ECONOMIST: Dementia

The cloned cells would be genetically identical to the patient's own, so they could replace part of an ailing brain or heart without touching off a full-scale attack from the patient's immune system.

FORBES: Cloning's High Cost