Learning & Grades
Marijuana reduces learning, memory, and attention for up to 24 hours.
Learning, memory, and attention are important brain functions that may impact your grades and influence your ability to learn in school.
How do we know? Experts we trust found moderate evidence marijuana affected brain functions like:
- the ability to comprehend new information
- remember and recall information
- stay focused without being distracted or
- shift focus when needed.
These effects lasted for up to 24 hours.
There is a lot of information about marijuana. Some is accurate, and some is not. You can use these questions to understand what you hear about marijuana.
Where does this information come from?
The information on how marijuana impacts learning comes from experts we trust, the National Academies of Sciences, Engineering, and Medicine. They have experts study tough issues, reach consensus based on the evidence, and provide independent and objective information. They have no financial interest in the information (they aren’t trying to sell anything to you).
- Knowing where information comes from helps you understand the motive behind it.
Why are we telling you this?
There is a lot of information out there, and it can be confusing. We want you to understand that marijuana can reduce learning, memory, and attention so that you can make healthy choices.
- Asking this helps you understand how the source of the information is trying to influence you.
How do you know it’s accurate?
This information is based on the conclusions of multiple studies – each of which was reviewed by several researchers not involved in the study. Using multiple studies that have been reviewed by other researchers decreases the chances of errors. This is the most accurate information available at this time.
- Asking about accuracy helps you avoid inaccurate or misleading information.
How does this help you make healthy choices?
Experts are still learning a lot about how marijuana use impacts brain functioning and your ability to learn in school. Growing your knowledge and asking questions about how marijuana impacts learning can help you make healthy choices.
It’s up to you to choose.
- Here’s how to say “no”
- Give a firm “No thanks."
- Change the subject.
- Say your parents are really strict.
- Say you have to get up early tomorrow for school, work, or practice.
- Say you will be driving.
- Plan ahead to avoid situations where people might be using.
