Lupus is caused by an overactive immune system .

狼疮是由于过于活跃的免疫系统。

Ugh , curse my overactive cheek blood flow .

哎，骂我过度的脸颊血流量。

Conversely , if it 's overactive , your metabolic rate speeds up .

相反的，如果它功能亢进，你的代谢率就会增快。

Was this her overactive imagination ?

这是她的异常活跃的想象力？

If decrepitude is driven by an overactive immune system , then it is treatable .

如果是由于过分活跃的免疫系统所致，那么衰老是可以医治的。