Even in the absence of any known mental disorder, some people impulsively decide to take their lives in moments of overwhelming life stress.

甚至在没有精神疾病的情况下，有些人在面对过大的生活压力时容易冲动地结束他们的生命。

It takes a little effort to get there but the benefits can be a perfect tonic for our stressed out lives.

到达那里需要一点努力，但好处可以成为我们压力大的生活的完美补品。

Well, the BBC programme found a daily dip in freezing water gets you used to the stress of doing it and therefore prepares you for other life stresses.

好吧，BBC 节目发现每天泡在冰冷的水中会让你习惯这样做的压力， 从而让你为其他生活压力做好准备。