Marijuana 
To dream of marijuana implies that you have reached a new level of spiritual discovery. It will benefit you to use this knowledge towards current situations. The dream may also suggest that you should be gathering strength from your own character rather than depending on others.
Hookah
The hookah refers to relaxation in some cultures. To dream of smoking or seeing a hookah suggests that your worries will blow away.
Cannabis
To dream of cannabis may indicate that you have been thinking about it or smoking it too much lately and therefore suggests that you desire on a deep level to remove it from your life. Alternatively, you may be in need of some relief from stress build up in your waking life finding a positive and life enhancing method of stress relief may be of great benefit to you and your family.
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