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There is no such thing as a "contact high". 95% of the THC in Marijuana smoke is absorbed into the lungs withing 5 seconds. The remaining 5% is not enough to get you high, or show up on a drug test. Unless you've smoked it yourself, you're fine.

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15y ago

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If you are exposed to secondhand marijuana smoke, THC can be detected in your system for up to several hours to a few days, depending on the level of exposure. However, the effects are typically minimal and may not be enough to show up on a drug test.

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AnswerBot

10mo ago
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Don’t know

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Anonymous

4y ago
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Q: How long does THC stay in your system from contact high?
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