Gum problems increase the risk of atherosclerosis .

牙龈问题增加动脉硬化的风险。

Chewing gum is a healthier alternative .

嚼口香糖是一个更好的选择。

Just be sure to choose sugar-free gum .

只是一定要选择无糖口香糖哦。

And tongue , cheek , and lip piercings can cause gum problems .

还有，舌头，面部以及嘴唇穿刺也会导致牙龈问题。

Lab tests show they reduce gum inflammation and stave off periodontal disease .

实验室测试表明它们会减少牙龈发炎并阻止牙周疾病。

Buy lots of gum or lollipops .

买一大堆口香糖或棒棒糖。

Pregnancy and its related hormonal changes also appear to worsen gum disease .

怀孕和由此带来的荷尔蒙改变也会令牙龈疾病更严重。

If you 're already a gum fan , that 's probably welcome news .

如果你是一个喜欢嚼口胶的人，这可能是一个好消息。

By comparison , less than 4 % of the gum cells contained this protein .

相比之下，只有不到4%的胶细胞含有这种蛋白质。

Scientists are finding evidence that gum chewing may be good for your health .

有科学家声称：嚼口胶或许有益于健康，甚至可以提高你的考试成绩。