Warning signs can include: tightness in the throat or chest, shallow or rapid breathing, a clenching of the teeth or jaw, negative thoughts about oneself or feelings of being overwhelmed.

预警信号包括：喉咙或胸口发紧，呼吸变得急促，咬紧牙关，对自己产生负面想法或感觉不堪重负。

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In contrast to New York, and against the advice of experts, Illinois did not rewrite the law to include an exception for arming oneself when there was a reasonable fear of imminent danger.

CNN: Put reason back in America's gun debate