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.
There are lots of truths about how long it takes marijuana to leave your system that you probably didn't know. For example, THC evacuates the body quickly, but leaves behind clues that it was there at one point in time (that's how you get busted). If you've ingested a lot of water, food, and other substances, this can also alter the amount of time for marijuana to leave your system. 2  The most common date range given for people is between 3 to as long as 30 days after smoking. 3  How much someone smokes determines how long the body will keep remnants.