A third person has died in connection with vaping. Now, the CDC is warning people to avoid e-cigarettes. Health officials are now investigating 450 cases of confirmed or suspected lung illness linked to vaping, across 33 states. Up from 215 cases, across 25 states, last week. "While this investigation is ongoing, people should consider not using e-cigarette products. People who do use e-cigarette products should monitor themselves for symptoms," according to a CDC news release. Indiana, Illinois, and Oregon have reported vaping-linked deaths. The CDC is also investigating a fourth death for a possible link. Do you vape? Are you concerned? Have you noticed symptoms?