How Long does Thc Stay in Your Blood?

THC comes from marijuana.Your body weight, metabolism, fluid intake and the amount that you consume can cause variations to the number of days that marijuana stays in your system. It can stay in a persons body anywhere from 3-90 days, but it is more common for it to stay in your body 3-30 days. If you do it occassionaly then it won’t be in there as long if you do it daily you can expect it to stick around for 45 days. If you are smoking marijuana at a constant daily pace, expect it to stay in your system for up to 90 days.