He hasn't smoked in more than 16 months and has tapered down the amount of nicotine he's using in his e-cigarettes to zero
In 2026, more than half (59%) of ex-smokers who vape said they had been vaping for over 3 years, compared with 18% in 2017 when we started asking this question (Figure 17)
"How much you consume and how often will influence how long cannabis stays in your system, but it can depend on an individual's metabolism as well," says April Hatch, RN, co-founder of Cannabis Care Team, a nurse-founded Cannabis education group
If TSA asks about your device, respond: "It's a vaping device with the battery secured for flight." For hemp products, say: "It's a federally compliant hemp product, and I have the certificate of analysis available." Screenshot all documentation (QR codes, lab reports, and receipts) before arriving at the airport so you can access everything in airplane mode