Third-hand smoke harms health

Jiang Xingguang

(en.nhfpc.gov.cn)

Updated: 2017-02-10

Wang Pin (left), a researcher from the Nanjing Drum Tower Hospital is doing an experiment with her American counterpart on third-hand smoke in the Lawrence Berkeley National Laboratory in the San Francisco on Feb 6. Third-hand smoke generally refers to the solid residues left on clothes, walls, carpet, hair and skin, among other places. [Photo by Ma Dan/Xinhua]