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Karen Kaplan

Karen Kaplan is science and medicine editor at the Los Angeles Times. Before joining the science group in 2005, she covered technology in the Business section for 10 years. In a parallel universe without journalism, she’d have a career in economics, genetics, biostatistics or some other field that describes the world in math.
More than 2 million U.S. middle and high school students have vaped marijuana, study finds

Electronic cigarettes are the most popular tobacco product among U.S. teens, but tobacco isn’t the only thing they’re vaping. A new report from researchers at the Centers for Disease Control and Prevention says that more than 2 million middle and high school students have used an e-cigarette to v...

More than 2 million U.S. middle and high school students have vaped marijuana, study finds

E-cigarettes are the most popular tobacco product among U.S. teens, but tobacco isn’t the only thing they’re vaping. A new report from the Centers for Disease Control and Prevention says that more than 2 million middle and high school students have used an e-cigarette to vape marijuana.

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