Colorado Marijuana Users Health Cohort

Trial Objective

The purpose of this study is to learn more about the positive and negative long-term medical effects of marijuana use.

Colorado Marijuana Users Health Cohort

Participation involves 1-2 visits to National Jewish Health, which will take up to 3.5 hours to complete. The following research activities will be done: consent, questionnaire administration, blood and urine collection, breathing tests, electrocardiogram (ECG), a 6-minute walk test, and an at-home sleep monitoring test.


This trial is active and currently recruiting.

How to Participate

For more information contact the study coordinator at 303.270.2462 or complete the form below.

Who Can Participate

You may be eligible to participate if you are between the ages of 21-80 who use marijuana regularly. 




Any Gender

Trial Location

National Jewish Main Campus, Denver, CO



Principal Investigators

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