The difference between THC and CBD and how they affect detection times

By | 12 June 2023


The Difference between THC and CBD and How They Affect Detection Times

is now legal in several states, and as a result, people are curious about the difference between THC and CBD and their on . THC and CBD are the two principal compounds in the that differ in composition and effect. This article will clarify the difference between THC and CBD and how they influence detection times for .

What is THC?

THC, or tetrahydrocannabinol, is the psychoactive chemical in marijuana that produces the “high” sensation. When you smoke, inhale or consume weed, THC activates the cannabinoid in the brain's central nervous and produces euphoric effects. THC is the primary reason why people use marijuana recreationally.

What is CBD?

CBD, or cannabidiol, is a chemical in marijuana and hemp plants that does not produce the intoxicating effects of THC. Instead, CBD with the body's cannabinoid receptors in a more indirect, safer way and can provide relief from , , and other conditions.

How do THC and CBD Affect Detection Times?

  1. THC has a detection in drug testing compared to CBD since it can remain present in your system for weeks after use.
  2. The concentration of THC in your body will decrease faster than CBD.
  3. In general, THC remains detectable for about three days after smoking marijuana, but it can stay in your system for up to 30 days.
  4. On the other hand, CBD are not commonly done in drug tests because it is non-psychoactive and does not interfere with results.

Can CBD Affect a Drug Test?

Typically, drug tests are highly sensitive and accurate; however, the level of THC required to show up as a on most tests is 50 ng/ml. In some cases, CBD alone could generate a false positive, but this is unlikely. However, other products like hempseed oil, or other plant , may contain traces of THC in them, so a person using CBD might get caught up in a positive drug test result.


THC and CBD are two distinct components of the marijuana plant that have distinct chemical and effects. THC is the psychoactive chemical that produces the “high” sensation, while CBD is non-psychoactive and has many benefits. THC has a more extended detection window and can remain detectable for weeks to 30 days, while CBD has no and is generally not detectable in drug tests. When CBD, you should be wary of the contents of the product you are to ensure that it does not contain any THC.


  • Can I use CBD to detoxify from THC?

    No, there is no scientific evidence that suggests that using CBD after THC will help in detoxifying. Therefore, it will not help in removing traces of THC from your body.

  • How long will THC stay in my system?

    The duration of THC stays detectable in the system depends primarily on the frequency of marijuana use, amount, and metabolism rate of a person. Typically, THC will stay in your body for up to three weeks after consumption.

  • Will secondhand exposure to marijuana cause me to fail a drug test?

    No, secondhand marijuana smoke does not contain a sufficient amount of THC to cause a positive drug test result, even if you are exposed to it frequently.