1 Abstract BASIC POSTULATES: It is common the people affected by ADHD consume addictive substances such as alcohol, marihuana, heroin, sedatives, analgetics, nicotine, caffeine, sugar, cocaine or street-produced amphetamines, seeking relief from their sensations of motorical unease and to disturb their rationalising and thinking (Downs, 2013). Using these substances subjectively improves their abilities, reducing the undesired and unpleasant sensations emanating from the ADHD, possibly even creating enjoyable and desirable moods. The resulting problem is, this self-medication causes troubles in many aspects, detectable only gradually after longer periods of consumption. What starts as an effort to paliate the undesirable symptoms of ADHD and other effects thereof, progressively becomes seeking a solution to harmful consumption of marihuana and, in extreme cases, additiction to cannabinoids (Jensen, 2013). OBJECTIVES: The purpose of this thesis is to analyse adult ADHD, regardless of whether they have been diagnosed, yet with perduring symptoms, and who have never been medicated and now use marihuana as self-medication. The main objective is to determine whether respondents subjectively realise when cannabis helps them to relieve their internal unease and when not. Besides, it is also to learn if we can...