How Long Does Cannabis Stay in Your Blood?

Cannabis can be detected in the blood for varying periods depending on several factors. On average, THC (tetrahydrocannabinol), the primary psychoactive compound in cannabis, can be detected in the blood for up to 12 hours after use for a single, occasional user. However, this time frame can extend to several days for regular users and up to a month for heavy users.

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Factors Affecting Detection

The duration of cannabis detection in the blood is influenced by the following factors:

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Legal Implications

The detection of cannabis in the blood can have legal consequences, particularly for those subject to drug testing, such as employees and those applying for a job. It's important to be aware of these implications and understand the potential risks associated with cannabis use.