Berkeley Lab Research Team (IMAGE) DOE/Lawrence Berkeley National Laboratory Caption (From left) Berkeley Lab scientists Bo Hang, Hugo Destaillats, Lara Gundel, Antoine Snijders, Jian-Hua Mao, and Pin Wang are studying the biological effects of thirdhand smoke exposure. Credit Marilyn Chung/Berkeley Lab Usage Restrictions Editorial use only with credit. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.