When the town of Helena, in Montana, banned smoking for six months, for example, hospital admissions for heart attacks almost halved from seven to less than four a month.

例如，蒙大纳州的赫勒拿市禁烟6个月，每月心脏病患者住院数几乎减了一半，从7例降至不到4例。

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The tip of a butterfly tongue viewed in polarized light by Stephen S. Nagy, M. D. from Helena, Montana. (Stephen S. Nagy, M. D.)

白炽灯光照耀下的蝴蝶舌头的一部分，由来自蒙大拿州海伦娜的医学博士斯蒂芬·s·纳吉拍摄。

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On August fifth,nineteen forty-nine, he was involved in a disaster at a forest fire near Helena,Montana.

VOA: special.2009.11.24

The plane was registered to 7700 Enterprises of Montana LLC in Helena, Montana.

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In 2004 a prestigious medical journal published a report claiming that a smoking ban imposed in the city of Helena, Montana, appeared to have resulted in a more-or-less immediate 40% reduction in hospital admissions for acute heart attacks.

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The plane was registered to 7700 Enterprises of Montana LLC in Helena, Mont.

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