There is a possible evolutionary role, with an aspherical femoral head affording upright humans better stability. We set out to identify the antiquity of the cam deformity to better understand the comparative roles of modern behavior and evolution in its development.
To figure out if you are âcleanâ for a drug test and how to get weed out of your system, you need to be able to determine the following: 1  The amount of THC and its metabolites in your system. 2  The type of test youâll be required to take. 3  The testing levels for your drug screen.
How long does marijuana stay in the body? Puff the magic dragon, Mary Jane, hash, pot, whatever you want to call it, marijuana itself doesn't actually stay in the body. However, some of the chemicals in the drug do, such as THC (delta-9-tetrahydrocannabinol), the substance in pot that's mainly responsible for people's high.