Mr Trump, whose youngest son Barron is 13 years old, said vaping has become such a problem that he wants parents to be aware of what is happening. "Moreover, if we see a migration to tobacco-flavored products by kids, we will take additional steps to address youth use of these products", Acting FDA Commissioner Dr. Ned Sharpless, said in a statement.
According to a Bloomberg report, Trump expressed his concerns about the teenage vaping epidemic and pressed for an FDA ban on all flavored vapes and e-cigarettes from the market.
Federal authorities have yet to identify a single substance common to all cases, but New York's health department is focusing its probe on counterfeit cannabis cartridges containing vitamin E oil, which is harmful when inhaled.
"It's not scaring me yet", says University of Ottawa student John Park, who vapes, "but maybe some time in the future, yeah". Agency officials instead said they were studying whether flavors could help people stop smoking traditional cigarettes.
But parents, teachers and health advocates have increasingly called for a crackdown on flavours, arguing that they are overwhelmingly to blame for the explosion in underage vaping by USA teens, particularly with small, discrete devices.
"Any tobacco product use, including e-cigarettes, is unsafe for youth".
"And unfortunately it's taken this crisis to finally prompt this action", he said.
The CDC has said anyone who uses a vape device should consider stopping while public-health officials investigate the cause of the condition.
The Food and Drug Administration announced plans to finalize a policy in the coming weeks that will enable it to remove many nontobacco flavored e-cigarettes from the market.
Lately, researchers have been discovering that it's not only those who use vaping products themselves who are harmed - other people in the vicinity can be breathing in "secondhand" fumes, a phenomenon now dubbed "secondhand vaping".
A ban on flavors would represent a huge blow to the vaping industry.
Wednesday's announcement came despite months of aggressive lobbying by Juul, which spent $1.9 million in the first half of the year to try and sway the White House, Congress and the FDA.
The new proposal rolls on from a 2016 amendment to the Tobacco Control Act requiring all e-cigarette products to file premarket tobacco product applications with the FDA.
In June, San Francisco became the first USA city to ban all sales of battery-powered e-cigarettes, making it illegal to sell nicotine vaporizer products in stores, or for online retailers to ship goods to Bay Area addresses. But FDA officials have repeatedly delayed enforcing regulations on them, referencing industry fears that regulation could wipe out thousands of small companies.
However, there is scant research on the long-term effects of vaping.