What is the Half-Life of THC?
The half-life of THC, the psychoactive compound in cannabis, refers to the time it takes for the amount of THC in your body to decrease by half after the last dose.
Factors Affecting THC Half-Life
Several factors can influence the length of time THC remains detectable in your system, including:
Your metabolism rate
Your body weight
The amount and potency of THC ingested
Whether you're a frequent or occasional user
Duration of Detection
For most people, THC can be detected in urine for up to 3-4 days after ingestion, while in saliva, it can be detected for up to 1-3 days. In hair follicles, THC can remain detectable for months.