, decay series. The series of isotopes that some radioactive elements change into as they undergo radioactive disintegration. The last element in the series is often a stable element (i.e., it is nonradioactive).
Making the world better, one answer at a time. Celexa has a 36 hour half life...meaning it will take 36 hours for 50% of the drug to leave your system and another 36 hours for it to be fully out of your system.Read more at the Related Link.f you were to smok â¦ e marijuana every day for a month, it would take approximately one month for the THC to get out of your system. On the flip side, if you only smoked a few times and quit, it take around two weeks or so.
It all depends on how many times you take it, how much you take, your body weight and metabolism and other factors, but for benzos, it can be from 1 week to 6 weeks. It can take forever to get out of your system in a urine test. I tested positive after 3 weeks and I took 10 pills for over 3 days. So, if you never take it, then take a bar of xanax, its out in maybe 3-10 days.