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A member asked:
Does thc content build up in your hair into one spot of the follicle? or is it a timeline, such as when you smoke it makes sort of like a tic mark?
A doctor has provided 1 answer
Timeline: Human hair grows at a variable rate depending on various factors.The average is about 1/2 inch/mo.When analysis is done, they can cut the hair into segments, analyze individual pieces and develop a timeline for when exposure to a specific agent occurred.
Answered 7/15/2016
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