Welcome The Division on Addictions at Cambridge Health Alliance, an affiliate of Harvard Medical School, has created a series of self-change toolkits. These toolkits are designed to help people:

  1. Gain information about addiction-related problems.

  2. Evaluate their own addiction-related behavior.

  3. Develop change strategies, should they decide that change is the best course.

We have designed these self-change toolkits to complement each other because people struggling with one addictive substance or behavior often struggle with another. Feel free to come back to this site as many times as you like.


People use marijuana (Cannabis Sativa) for a variety of reasons. For some, marijuana can relieve stress, change their view of the world, and/or make situations more humorous or enjoyable, among other things. Others use it because it helps with the symptoms of certain illnesses or treatments (i.e. glaucoma, or nausea from chemotherapy). Some who use it, however, struggle with the negative impact of excessive use. It is true for all people that in places where marijuana use is illegal, any use could possibly result in negative impact due to the legal consequences of marijuana possession.

If marijuana is affecting your life and you are thinking about change, you have already taken the first step. This toolkit will help you understand marijuana, figure out if you need to modify your use, and decide how to deal with the process of change.

Should you decide to change, this toolkit can help you begin your journey. This toolkit will ask you some questions and will keep track of your answers during any single session. It will also allow you to print your results whenever you wish during that session. However, this website will keep no records of your session(s) and your identity will remain anonymous at all times. Your answers will be erased if you close or refresh your browser, so it will be in your best interest to reserve approximately 20 uninterrupted minutes to complete this toolkit. Again, your participation will remain anonymous and this website will collect no personal identification information of any kind.

  • Clicking on the Let's Get Started button below will take you to the first page of the toolkit.

  • At the bottom of each subsequent page, you will see navigation buttons (Next and Previous) that will help you move through the site.

  • The button labeled "My First Step to Change," that appears once you begin answering questions, will open a printable pop-up window that summarizes your answers to the questions presented up to that point. You may click on this button at any time, or at the very end of the toolkit.

Feel free to visit this site as often as you would like. If you have any questions, please contact the webmaster at basis@divisiononaddictions.org. Thank you.