The law will come into force next year.
The U.S. Congress increased the statutory minimum age when smoking or vaping is allowed to 21 years. The law will enter into force next year and will apply to all products containing nicotine.
Note that now in only about half of the states smoking is allowed from the age of 18, and in the rest the age threshold is higher.
The decision was made amid the growing popularity of vaping among teenagers. According to the U.S. Food and Drug Administration (FDA), in 2018, more than 3.6 million middle and high school students in American schools used electronic cigarettes, while in 2017 it was 1.5 million. In some states a ban on flavored vape products.