Lynn T. Kozlowski

It is illegal for people under 21 to smoke e-cigarettes like Juuls, but adult use has come under scrutiny, too. Patrick T. Fallon/AFP via Getty Images

The FDA and Juul are fighting over a vape ban, but the role of e‑cigarettes in the world of tobacco abuse is not clear‑cut

E-cigarettes are facing calls for complete bans on their sale. A tobacco addiction researcher explores the balance between vaping’s harm to teens and potential use as a tool for quitting smoking.
Genealogy is the second most popular hobby in the United States. Steve Allen/Shutterstock.com

Genes and genealogy and making the most of famous relations

Before you attribute a trait to a famous ancestor like George Washington or Marie Antoinette, you might want to see how much DNA you actually share with these people. It’s not what you thought.

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