margaret qualley smoking cigarettes Lana Del Rey on Instagram:

Seven people have died and medical experts are still working to identify which nicotine and cannabis vaping products may be responsible for the illnesses

Other studies have found the vapor to contain nitrosamines and diethylene glycol both of which are carcinogenic

"Information about the specific product used (including brand name), whether it was modified in any way or if other tobacco products, medications, supplements or other substances were used, as well as details about product use preceding the adverse event are critical pieces of information to help fully assess this issue more broadly," said the agency's statement

The government has affirmed its stance against vaping, saying e-cigarettes are affecting the health of vapers of whom more than half are considered youths

The brand also runs frequent promotions through online retailers