Should all vaping products be avoided?

Vitamin E acetate is used on the marijuana black market to stretch the THC oil in e-cigarettes because it looks similar and is cheaper. A recent report found that, among EVALI patients in Utah, 89% of THC-containing products had vitamin E acetate while no nicotine products had it. CDC urges that people not use vaping products with THC, Allison Kurti of University of Vermont sums up.