煤烟污染会刺激肺部，使哮喘等病情恶化，增加心脏病发作和过早死亡的风险。
Soot pollution can irritate the lungs, worsen conditions like asthma and increase the risks of heart attacks and premature death.
紧张容易使人心脏病发作。
为了使这种药物起作用，实验小鼠需要在心脏病发作之前服用此药物。
The mice needed to take the drug in advance of a heart attack in order for it to be effective.
如果疼痛是心脏病发作的前兆，进行重症监护将是最好的预防治疗方法；如果不是心脏病，重症监护只会浪费钱并使病人受到危险的感染。
If a heart attack is imminent, intensive care is best; if not, it wastes money and exposes patients to dangerous infections.
这些心脏病发作使他的身体虚弱到了极点，那时他每天仅能下床45分钟，第二年结束不久便去世。
These attacks weakened him to the point where he could only be out of bed for 45 minutes a day, and he died soon after the next year.
如果为大量老年人进行免疫接种，准会有一些人明天出现心脏病发作，所以必须使公众对此类意外有准备。
If you immunize very large Numbers of elderly people, inevitably some will have a heart attack the next day, so you have to prepare the public for such coincidences.
一项新研究表明，糖尿病使严重的进行性血管疾病和生命威胁事件如中风、心脏病发作的风险加倍。
Diabetes doubles the risk of developing serious blood vessel diseases and life-threatening events such as strokes and heart attacks, a new study shows.
一项新的研究表明压制怒气的心脏病患者使自己心脏病发作或者在未来5- 10年死于心脏病的危险增加三倍。
A new study found that heart disease patients who suppressed their anger had nearly triple the risk of having a heart attack or dying over the next 5 to 10 years.
应用一个酶池为靶点使伟哥用于调节血液血栓形成成为可能，进而预防心脏病发作和中风。
By targeting each pool, it may be possible to revamp Viagra's use to regulate clotting in the blood, helping prevent heart attacks and strokes.
有关研究表明，足够的锻炼可以使心脏跳动更快，使肺部功能更强，这样可以大大加强心脏功能，降低心脏病发作的可能性，同时，有助于降低血压。
Research shows that getting plenty of exercise makes the heart beat faster and the lungs work harder. This strengthens the heart, reduces the chance of heart attack, and help lower blood pressure.
有关研究表明，足够的锻炼可以使心脏跳动更快，使肺部功能更强，这样可以大大加强心脏功能，降低心脏病发作的可能性，同时，有助于降低血压。
Research shows that getting plenty of exercise makes the heart beat faster and the lungs work harder. This strengthens the heart, reduces the chance of heart attack, and help lower blood pressure.
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