In today's fast paced, high stress world people are working longer hours than ever, and often exhaust themselves.

在当今快节奏、高压力的世界里，人们工作的时间比以往任何时候都要长，而且往往会让自己精疲力竭。

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His goal is to restore their youthful hormone levels, drawn down by aging, years of stress and working long hours.

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Tony Lee, publisher of CareerCast.com, says the profession has always been ranked among the worst jobs due to low pay, high levels of stress from working under deadlines, a poor hiring outlook and the requirement to be on duty twenty-four hours a day, seven days a week.

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"It's likely to continue to increase because of the determinants of work stress: changes in working conditions and the government spending, " he added.

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