Vaping, Alcohol Use & Other Risky Youth Behaviors | Dr. Bonnie Halpern-Felsher

Traditional cigarette smoking among teens is under 5–10%, but e‑cigarette use has surged. National surveys suggest ~10% past‑30‑day use, yet many schools report 40–60% of students vaping. Salt‑based nicotine devices and large‑capacity disposables can deliver the equivalent of 1–8 packs of cigarettes’ worth of nicotine per day in heavy users, with some teens using pods around the clock—even waking at night to vape.

Product design and marketing are clearly youth‑targeted: devices disguised as highlighters, juice boxes, and USB sticks; flavors named Unicorn Poop, Sugar Booger, and boba drinks; colorful cartoon-style ads; and devices that function as actual school supplies (e.g., Hi‑Lite highlighter vapes). Dr. Halpern‑Felsher is now getting calls from elementary schools catching second- and third‑graders vaping, forcing her team to create prevention curricula for grades she never expected to touch.

Brain development continues into the mid‑20s. Introducing nicotine during this period preserves and reinforces nicotinic receptors, effectively wiring the brain for addiction and making youth much more likely to become dependent quickly—often within weeks. High‑THC cannabis, particularly in potent forms like dabs or vaped concentrates, is now strongly associated—and some experts argue causally—with triggering psychosis or schizophrenia in predisposed individuals, often in late adolescence or early adulthood, with potentially irreversible consequences.

While e‑cigs lack tar, they deliver aldehydes (including formaldehyde-like compounds), heavy metals (lead, cadmium), propylene glycol, glycerin, and inhaled flavor chemicals like cinnamon aldehyde and diacetyl (the “buttery” flavor). These can cause lung lesions, pneumonia, asthma, lung collapses, seizures in extreme nicotine use, and cardiovascular strain via vasoconstriction and elevated blood pressure. Aldehydes are known carcinogens and tissue fixatives that cross-link proteins—essentially doing to living lungs what they do to preserved lab specimens.

Fear-based, future-only messages (“you’ll get cancer at 60”) and abstinence-only slogans (e.g., “Just Say No,” abstinence-only sex ed) routinely fail and damage adult credibility when teens’ lived experience contradicts them. More effective approaches acknowledge both perceived benefits and real risks, connect behavior to teens’ own goals (sports, careers, appearance, environment), expose industry manipulation (“replacement smoker” framing), and provide practical steps for safer choices, quitting, or at least not using alone or from unknown sources in a fentanyl era.