When one smokes weed, your body metabolizes a chemical known as Tetrahydrocannabinol usually referred to as THC in short. This is what determines how long weed will be in your system. There are many other factors involved as well like how it will be tested. Weed gives a high to its consumers and whether its use is medicinal or not, the remnant left behind in your body can last a lot longer than the high itself. Some other things to put in mind is how long weed has been consumed. If it is over a long period of time, then it is bound to be found in the system even long after use. Basically, as one continues to use weed, the longer the THC will take to clear out of their bodies and thus the easier it will be to find it. Learn more about weed, go at this website here.
The saliva test is not so commonly done because it doesn’t amount to so much. This is only useful when done at road checks. Weed can only be found in your saliva within 24 hours of you taking the drug but beyond that you are safe. The traffic police to check for driving under the influence do the saliva test. Find out for further details at this website right here.
Another test that is done to test for weed in your system is the hair test. This one is useful only for checking for history of use of about 90 days back or more. This depends on how fast your hair grows because the hair that was there before taking the drug will not have traces of weed. The hair that will be used to test for the drug is the one closest to your scalp because it is the newest.
The length at which weed stays in your system can also be determined through a blood test. Your body has blood and when you smoke weed, it is transported throughout the body via blood vessels. Those that have consumed cannabis sativa only once, marijuana only stay for about one to two days in the system,
There is the group that smokes weed more often. This kind of group the duration at which weed has stayed in their system can last for about seven days that is after one week.
The time you have spent smoking weed also determines the amount of weed in your system and this has to be tested through urine test. One time users weed only stays in their system between four to seven days. The number of days increases and decreases depending on how often an individual has consumed weed. Take a look at this link https://en.wikipedia.org/wiki/Weed for more information.