Table 5

Reported undesired effects of both recreational and medical cannabis use

PsychologicalSomaticPsychosomaticSocietalNone or no mention of undesired effects
All reported undesired effects of cannabis use, n = 182
34% (n = 62)13% (n = 24)23% (n = 41)5% (n = 10)25% (n = 45)
Reported undesired effects of recreational cannabis use, n = 106
35% (n = 37)11% (n = 12)26% (n = 28)2% (n = 2)24% (n = 25)
“Memory may fail”
“Passivity and sometimes a little anxiety”
“Mild anxiety sometimes”
“Sometimes, depending on the variety, I get a headache when coming down”
“Vomiting when used with alcohol”
“Distraction, possible health problems in the lungs, tolerance”
“At times tremors, depression of emotional life, general deterioration of energy levels”
“Intimidation related to illegality”
“Some money is spent and some people judge”
“None”
“There is no when you know what effects the variety will have”
“You don't have them if you know what to use and how much it should be used”
Reported undesired effects of medical cannabis use, n = 77
31% (n = 24)16% (n = 12)17% (n = 13)10% (n = 8)26% (n = 20)
“Certain other anxiety”
“Memory deteriorated a little”
“Impaired social skills and cognition while under the influence”
“Inactivity with longer use, anxiety may increase”
“Dry mouth with certain varieties, red eyes”
“Dry mouth”
“Headache”
“Coughing, phlegm when I smoke a bong and I’ll add some tobacco”
“I can’t do physical tasks while high”
“Occasional fatigue in the mornings, which does go away quickly”
“Dry mouth. Appetite and sweet tooth increase. Mild anxiety (sometimes). Possible ‘stuck mode’”
“Momentary fatigue, hunger”
“Dry mouth, red eyes, and occasional mild paranoia, but worst of all, marked impairment of short-term memory”
“Sometimes I get tired in the middle of the day”
“The biggest problem is getting caught smoking”
“Due to illegality, the only disadvantages I have today are paranoia due to the state of illegality. I wouldn't be alive without cannabis and Finnish medical cannabis culture is at a very poor level, which always makes me feel low when I think about it”
“Fear of losing my driver’s license, even though I don't drive intoxicated, I always keep at least 18 hours in between, but the tests show THC compounds for longer, both fear that the police will break my domestic peace because of smoking the plant”
“No known unwanted effects”
“Nowadays there are no unwanted effects”
“Has not been”
Source: Table by authors

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