Vaping marijuana might be too much for first-timers

Vaping marijuana instead of smoking an equal dose increases short-term anxiety, paranoia, memory loss, and distraction, a small study of infrequent users suggests.

The findings, described in the journal JAMA Network Open, highlight the importance of dose to the perception that vaping is a safer alternative to smoking cannabis, the researchers say.

Vaping devices heat cannabis to a temperature at which the mind-altering compounds in the plant are released as a vapor that the user inhales. Vaping is thought to be safer in some ways for cannabis and tobacco use because it doesn’t produce many of the harmful components of burning material, such as tar and other cancer-causing agents.

But the study suggests that at least for first-timers or others who don’t use cannabis regularly, vaping delivers greater amounts of THC, which increases the likelihood of adverse reactions, say researchers.

“What our study suggests is that some people who use cannabis infrequently need

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