Absolutely. I met people in rehab, who were in for marijuana. And there were definite physical and psychological withdrawal effects - not as dramatic as some other drugs but still there.
Good luck with MA..
splitimage
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"I danced in the morning when the world was begun. I danced in the moon and the stars and the sun". From my favourite hymn.
"If you see the wonder in a fairy tale, you can take the future even if you fail." Abba