Don "t worry, be happy and, according to new research, you will also be healthy."

根据新的研究结果显示，如果你心情愉快、无忧无虑，你就会身体健康。

youdao

Don "t worry, be happy and, according to new research, you will also be healthy."

根据新的研究结果显示，如果你心情愉快、无忧无虑，你就会身体健康。

youdao