Это не о пользе, наоборот. Суммаризация из официального мед источника.

Cannabis is the most commonly used illegal psychoactive substance, used by an estimated 192 million individuals worldwide (3.9 percent of the 15- to 64-year-old population in 2016 and an estimated 37.6 million community-living individuals (13.9 percent of those 12 years and older) in the United States in 2016. (See 'Cannabis use' above.)

●Rates of cannabis use in the United States are higher in young adult men with low incomes and no college education than among other population groups. Approximately one in eight current regular cannabis users develops a cannabis use disorder. (See 'Cannabis use' above and 'Cannabis use disorder' above.)

●Cannabis use before age 17 years is strongly associated with lower educational attainment and increased use of other drugs, but these associations are not clearly causal. (See 'Psychosocial functioning and health' above.)

●Individuals with cannabis use or cannabis use disorder often use other psychoactive substances, especially alcohol and tobacco. Substantial bidirectional comorbidity is seen between cannabis use disorder, schizophrenia, and several other psychiatric disorders, including depression, bipolar disorder (mania), anxiety disorders, and antisocial personality disorder. (See 'Psychiatric comorbidity' above.)

●Cannabis acutely impairs attention, concentration, episodic memory, associative learning, and motor coordination in a dose-dependent manner. Long-term cannabis use is associated with impairment of verbal memory and cognitive processing speed, which resolves after at least a month of abstinence. (See 'Neuropsychological effects' above.)

●Substantial evidence suggests that chronic cannabis use, especially during adolescence, is associated with later development of schizophrenia. The mechanisms responsible for the association between cannabis use and schizophrenia remain unclear. Some experts believe that early cannabis use is a causal factor in developing schizophrenia. (See 'Psychotic disorders' above.)

●Chronic cannabis use has not been found to be associated with serious or chronic medical conditions or death from medical conditions. Cannabis use is associated with injury and death from motor vehicle accidents. (See 'Adverse effects of cannabis use' above.)

●Cannabis smoking is associated with acute, transient respiratory symptoms, but chronic use is not associated with impaired lung function. (See 'Pulmonary' above.)

●Cannabis smoking acutely increases sympathetic activity and myocardial oxygen demand, and is associated with a small increased risk of myocardial infarction and stroke. (See 'Cardiovascular' above.)

●Cannabis use is also associated with periodontal disease, hyperemesis syndrome, and a lower sperm count. Hyperemesis syndrome is a relatively rare condition involving episodic severe nausea and vomiting and abdominal pain. Frequent cannabis smoking has been associated with a lower sperm count; the clinical significance of this finding is unknown. (See 'Dental' above and 'Hyperemesis syndrome' above and 'Reproductive' above.)

Да, то 5 минут делов. Спасибо!! Обязательно добавлю в утреннее за чаем чтиво список.

UpToDate.
Но туда нужна регистрация.

Ага, а когда этот взрослый совершеннолетний гражданин, будучи в состоянии психоза от регулярного употребления марихуаны, сядет за руль, потому что ему покажется, что за ним гонятся инопланетяне или КГБ, и собьёт вашу бабушку, переходящую дорогу на зеленый свет на пешеходном переходе, вы что скажете??? Или возьмет пистолет и пойдёт стрелять в кинотеатр, потому что ему привиделось, что там сидят инопланетяне и они хотят его убить. Вы когда-нибудь реально обкуренных больных на голову видели, Глеб, и что они вытворяют??

А если он не потреблял и сделал тоже самое, то руль виноват? Каждый сам отвечает за свои действия и нечего перекладывать вину и наказывать всех за деяния одного.