They also hypothesize that it might not be enough simply to stop smoking in the presence of babies, since NNAL and nicotine could potentially cling to dust and the surfaces of household objects.

• 研究人员还说，父母光做到婴儿在场时不吸烟可能还不够，因为NNAL和尼古丁有可能会附着在灰尘和家居用品的表面。