Stress can predispose people to heart attacks.

紧张容易使人心脏病发作。

More and more people are surviving heart attacks.

越来越多的人在心脏病发作后存活下来。

Very vigorous exercise can increase the risk of heart attacks.

耗费大量体力的运动会增加心脏病发作的风险。

He suffered further heart attacks and strokes, all of which he fought valiantly.

他又发作过几次心脏病并中过几次风，他与这一切都作了顽强的斗争。

Exercise will not only lower blood pressure but possibly protect against heart attacks.

运动不仅会降低血压，而且能防止心脏病发作。