手臂隐隐作痛让你好生担忧吗?经常头痛有没有让你发愁?如果你曾上网寻找病症的资料,跟你一样的人多的是。

• Worried about that niggling pain in your arm? Concerned about those persistent headaches? If you've searched online for information about medical woes, you're not alone.