Describe the legal restrictions regarding the purchase and use of e-cigarettes by teens, as outlined

in the article.

The legal restrictions on the purchase and use of e-cigarettes by teens, as outlined in the article, include:

1. Federal law prohibits the sale of e-cigarettes and other tobacco products to anyone under the age of 18.
2. Some states have even stricter laws, such as raising the minimum age to purchase tobacco products, including e-cigarettes, to 21.
3. Retailers are required to check identification to verify the age of customers before selling e-cigarettes to them.
4. Some states also prohibit the use of e-cigarettes in certain public places, such as schools and government buildings.
5. The FDA is considering regulations that would ban the sale of flavored e-cigarettes in order to reduce their appeal to teens.
6. There are also restrictions on the marketing and advertising of e-cigarettes to minors, in order to prevent them from being targeted by companies trying to increase sales.