How Long Is Weed In Blood Reddit?

Within minutes and for up to two days thereafter, THC may be identified in the saliva.In most cases, hair testing can identify substances such as marijuana even months after they have been used (up to 90 days).People who use marijuana several times a week or more will have a positive blood test result for up to eight hours, whereas casual or occasional users will only have a positive result for three to four hours.

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