January 28, 2015 7:50 pm CA Declares Electronic Cigarettes Public Health Threat A new study addresses the impact of e-cigarettes, which often contain nicotine, on young people. Dr. Bruce Hensel reports for the NBC4 News at 5 and 6 p.m. Wednesday, Jan. 28, 2015. US & World Videos 3:32 USC, UCLA students navigate end of the year protests 3:26 Confrontations occur at UCLA campus amid ongoing protests 2:44 Tommy Trojan statue cleaned after vandalism 0:23 LA County sheriff's deputy dies on duty at station 0:57 Fights break out at UCLA between pro-Palestinian, pro-Israel supporters
