英译：医生的健康建议/Doctor’s Health Tips (7/25)

* Brushing teeth is not enough

However thoroughly and however long you brush your teeth, bacteria still breed between the teeth, which can cause heart disease. Clean between the teeth frequently with dental floss.

* 仅仅刷牙时不够的

不管你刷牙多彻底，刷牙时间多长，细菌依然可以在牙缝中滋生，从而引起心脏病。所以，平时多用牙线清洗牙缝。

(Chinese version from internet)