Three people have now died from lung disease after vaping

Two deaths in the US have now been attributed to vaping-related lung conditions, and state governments are taking actions to crack down on the types of e-cigarettes available. Here’s what you need to know about these mysterious illnesses and the response to the outbreak.

How did these deaths occur?

In July, an Illinois resident developed a lung infection and died after using a vaping device that contained marijuana oil. Yesterday, officials in Oregon said that a resident of the state who used e-cigarettes had also died after being …