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i have herd that eating poppy seeds that are found in pastry cakes can cause a false positive test for meth.

poppy seeds cause a positive for marijuana - not meth.

Actually you are both very wrong. Poppy seeds can cause a false positive for opiates(heroin, morphine, etc). Opiates are made from the poppy plant.

Wow who ever said these top two are STUPID. I am speachless.

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13y ago
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15y ago

poppy seeds will give you the false drug reading

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Q: What can cause a false positive test for meth?
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