This is the reason why earlier, they could locate the drug trafficking syndicate and provide such certain information.
And this technology, from its development to now, has successfully reduced the number of drug users in Dragon Country by more than twenty percent, which is indeed a significant achievement.
As for methods of human body detection, Dragon Country can be said to have an endless array and has reached the pinnacle.
Dragon Country's main detection methods include four types: urine test, hair test, blood test, and saliva test.
Each detection method has its own focus, and their accuracy varies slightly.
The longest effective period for the urine test is one week, with the optimal detection time being three to four days after drug use.
Although it has the flaw of a short retrospective period, it does have its advantages.
That is, the detection speed is very fast, the tools are easy to carry, and the accuracy is high.
