Do not vape, says CDC, as US lung disease epidemic grows

The Centers for Disease Control and Prevention advised Americans to stop using electronic cigarettes because a multi-state outbreak of a mysterious lung disease is spreading.

More than 450 possible cases of lung disease have been reported in 33 states and the US Virgin Islands. The first case appeared in April. There have been five deaths so far.

There was no evidence of infection, but all those affected had used electronic cigarettes. Chemical exposure to a contaminant is suspected to be the cause.

Electronic cigarettes, called electronic cigarettes, are battery-powered devices that heat a liquid and deliver an aerosol that the user breathes (called vaping). The liquid usually contains nicotine, flavors and other chemicals. Marijuana products can be included. Marijuana for medical and recreational purposes is legally available in some US states. However, users of e-cigarettes may also purchase liquids or "capsules" for their devices on the street or manufacture their own vaping products.

The use of electronic cigarettes has rapidly increased among American high school students; Last year, 20.8% reported using electronic cigarettes.1 …