When we smoke or ingest cannabis, those unique plant compounds interact with our bodies. This interaction is the sole reason humans have turned to cannabis over the centuries for religious purposes, relaxation, pain relief, and recreation. This interaction also explains why cannabinoids and their byproducts remain detectable in the body and in many cases remain well after the buzz wears off.
In order to address the question, “How long does marijuana stay in your system?” we must first focus our attention on THC, or delta-9-tetrahydrocannabinol, the intoxicating cannabinoid known for creating euphoric, stoned effects. Other compounds stick around, too. But because THC remains federally illegal in the US, cannabis drug tests often exclusively screen for THC and THC metabolites, or byproducts that are produced when THC is broken down in the body.
– Read the entire article at Benzinga.