This Brazilian investigation also suggests that laughter therapy could reduce inflammation in blood vessels.

巴西的这项研究还表明，笑声疗法可以减轻血管炎症。

This headline says that laughter therapy can help reduce the risk of heart disease.

这个标题说笑声疗法可以帮助降低患心脏病的风险。

And here, it's talking about sessions of laughter therapy using comedy programmes rather than two individual laughs.

在这里，它指的是使用喜剧节目进行笑声治疗的疗程，而不是两次单独的笑声。

Patients with coronary artery disease who engaged in a course of laughter therapy had reduced inflammation and better health, the research found.

研究发现，采用“大笑疗法”的冠心病患者炎症减轻了，身体变好了。

In the trial, scientists carried out a first-of-its-kind study to examine if laughter therapy could improve symptoms of patients with heart disease.

科学家在这项研究中开展了一场史无前例的试验，看大笑疗法能否改善心脏病患者的症状。

That's why laughter therapy is being used as an alternative to conventional treatments.

这就是为什么大笑疗法被用作传统疗法的替代方法。

Now this study is the first of its kind, according to the headline, because it's looking at laughter therapy with heart patients, which has not been looked at before.

根据标题，这项研究是同类研究中的第一个，因为它研究的是心脏病患者的笑声疗法，这在以前还没有人研究过。