Zen Green CBD The frequency of migraine crises was reduced on average from headaches per month with cannabis use. Most patients use more than one form of cannabis and consume it daily for migraine prevention. Positive effects were reported in 48 patients the most common being migraine prevention with decreased seizure frequency and suppression of headaches since initiated Teenage marijuana use is not associated with lower IQ or poorer educational performance once adjustments were made for potential confounding factors, specifically cigarette consumption, according to longitudinal data published by the scientific journal Journal of Psychopharmacology British researchers evaluated the relationship between cannabis use and the IQ accumulated at the age of 15 and subsequent educational performance at the age of 16, in a cohort of 2,235 adolescents. After the researchers adjusted the potential confounding variables, such as childhood depression and cigarette use, it was reported, “Those who had used cannabis [greater than or equal to] 50 times do not differ from non-users or the coefficient intellectual or educational performance ” . In contrast, adolescent smoking was associated with poorer educational outcomes, even when researchers adjusted other confounding factors. The researchers concluded: "In summary, the idea that cannabis use itself is causally related to a lower IQ and poor school performance is not supported by this large sample of teenagers." A 2012 study from New Zealand widely publicized in The Proceedings of the National Academy of Sciences reported that frequent cannabis use by adolescents under 18 years of age was associated with a lower IQ at the age of 38. https://www.worldhealthpedia.com/zen-green-cbd-oil/