把痰咽下去会伤害身体吗?出现哪种痰要就医?https://www.360kuai.com/9dc00a4b8071de89f?nsid=18f599c372e980af03b3d73151a58402&refer_scene=Qz3kgNLH5bU&scene=&sign=360_6453942f&tj_url=9dc00a4b8071de89f&tmprtp=expf%3Dbase2542%2Cc2741%2Ca2149%2Cb2685%2Ccitesth2035%2Ctest2244%2Csearchd2098%2Cbase2549%26cubeid%3DQz3kgNLH5bU%26add%3D1%26pos%3D2%26idx%3D2&uid=17365235d01539c37f73bfa26659c99c