This paper considers the effects of marijuana on personality development during adolescence, integrating psychoanalytic views of development, information from neuroscience research, and recent social realities including legalization of marijuana in many states. The psychoanalytic treatment of a 16-year-old ...
They were divided into four groups on the basis of their reported marijuana use: low use or nonuse (46%); early long-term use (22%); those who only smoked marijuana during adolescence (11%); and those who began using marijuana later in their teen years and continued using the drug (21...
Policy makers are particularly concerned that legalization for either medicinal or recreational purposes will encourage marijuana use among youth. Repeated marijuana use during adolescence may lead to long-lasting changes in brain function that adversely affect educational, professional, and social outcomes....
Some studies suggest regularmarijuana use in adolescence is associated with altered connectivity and reduced volume of specific brain regions involved in a broad range of executive functions such as memory, learning, and impulse control compared to people who do not use. Some studies have also ...
Children in the "late-onset" group, as it turned out, were least likely to use marijuana, as were children of nonusers. They did, however, have lower grades. "Using marijuana in adolescence is associated with a host of other problems in the present and later into adulthood," said Epstein...
It is unclear whether it has long-term effects on memory and other domains of cognitive function. Objective To study the association between cumulative lifetime exposure to marijuana use and cognitive performance in middle age. Design, Setting, and Participants We used data from the Coronary Artery...
We examine two hypotheses: 1) MU is positively associated with SMP in LGB youth; 2) the strength of the associations is stronger in adolescence than young adulthood. Methods Data source Data were from four waves’ public-use Add Health datasets (N = 3342). Add Health was a ...
Dr. Levy and other physicians have also seen a rise in chronic psychotic disorders, such as schizophrenia, in which they believe cannabis was a contributing factor. Marijuana use can affect brain development, particularly during the critical period of adolescence through age 25. This is also the ...
Implications are discussed in terms of mechanisms that account for initial and continued use of marijuana by adolescents, how use is associated with key developmental milestones and adult role socialization, and the potential of marijuana use during adolescence in furthering later drug involvement....
An adverse family environment in late adolescence was related to greater externalizing personality in late adolescence, which in turn, was related to greater marijuana use in emerging adulthood. This in turn was positively associated with partner marijuana use in young adulthood, which in turn, was ...