Within a year of the first vape devices being released, the World Health Organization released a warning that

vapes can be dangerous and it could cause cancer

Explanation:

because it contains carcinogens

delegated (sometimes called enumerated or expressed) powers are specifically granted to the federal government in article i, section 8 of the constitution. this includes the power to coin money, to regulate commerce, to declare war, to raise and maintain armed forces, and to establish a post office.