食品可能引发的不仅仅有偏头痛，也包括紧张型头痛——感觉就像戴上“紧箍咒”，整个头部都疼。

Migraine and headache. Foods may trigger not only migraine but also tension type headache, which feels like tightening of a band around the head, making the whole head ache.

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最后，选择的人可能不是作为肉毒素治疗的最佳慢性紧张型头痛的患者。

Finally, the patient population selected may not have been optimal for a trial of botulinum toxin for chronic tension-type headache.

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这些因素可能混淆肉毒素对慢性紧张型头痛的特别效果。

These factors may have confounded the specific efficacy of botulinum toxin for chronic tension-type headache.

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