did bob newhart smoke cigarettes American stand-up comedian and actor poses for a photo... News Photo SMOKING I Did You Know
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Not a sh*tload, but definitely a sizable amount

Each type of detector responds differently to various airborne particles, which is crucial when considering how vapour from e-cigarettes might affect them, and photoelectric detectors are more likely than ionization alarms to react to e-cigarette vapor
doi:10.1136/bmj.328.7440.E278

Particularly in middle-aged and elderly adults
E-cigarettes that contain nicotine and flavoring agents have been on the market for less than two decades, so there isnt much long-term research on how vaping affects cardiovascular health
