Cannabis has a complex image: some use it for relaxation, others swear by its concentration-enhancing effects. But what does science say? Can cannabis actually improve the flow state, or does it rather lead to mental fog? In this article, we get to the bottom of the matter.
How does cannabis affect the brain?
Cannabis contains over 100 cannabinoids, including THC (psychoactive) and CBD (non-psychoactive). These interact with the endocannabinoid system, which regulates mood, memory and concentration, among other things.
Depending on the dose and strain, THC can have a euphoric or sedative effect.
CBD has a balancing effect and can reduce anxiety, which indirectly improves concentration.
Studies show that low doses of THC increase cognitive flexibility in some people, while high doses have the opposite effect.

Flow or mental fog? The dosage decides
Not everyone reacts to cannabis in the same way. Factors such as:
Variety (sativa vs. indica vs. hybrid)
Form of consumption (vaporizer, oil, edibles)
Individual tolerance
play a major role.
Sativa-dominant strains are often associated with increased creativity and focus.
Indica strains can have a relaxing effect, but can also make you tired.
Microdosing (small amounts of THC) is becoming increasingly popular to increase productivity.
Scientific studies – What does research say?
A study by the University of Chicago (2020) found that low doses of THC can improve problem-solving skills. However, other research warns of memory impairment with regular use.
Conclusion: Cannabis can support the flow in the right dosage, but used incorrectly, it leads to distraction.
Tips for productive cannabis use
Choose the right variety (e.g. sativa-dominant hybrids such as Jack Herer).
Experiment with microdosing (2-5 mg THC).
Avoid strongly sedating Indicas during work tasks.
Combine with CBD to counteract undesirable effects.
My experience report – a self-test
I tested a sativa-dominant vape pen during a creative work phase. The result? Increased idea flow, but occasional distraction. With CBD drops, the experience became more balanced.
Conclusion – Cannabis as a productivity tool?
Cannabis can be a useful companion for focus and creativity – if used consciously and responsibly. Those seeking mental clarity should favor strains with high CBD and moderate THC content.