A new study coming from Germany on the effects of cannabis on the brainpower of mice suggests microdosing marijuana may help the elderly improve their memory function. The study, which has been published in the journal Nature Medicine, examined cognitive function in a control group of mice and a group of mice given a daily microdose of THC. The active compound in cannabis helped the brain make connections in the hippocampus, which is responsible for memory function. The study was performed several times on different age groups of mice, including 2 month-olds (adolescents), 12 month-olds (middle aged), and 18 month-olds (elderly). For the youngest mice, those who given microdoses of THC were outperformed by those who were not, but in the two older groups, the microdosing mice navigated mazes and recognized each other at a better rate than the control groups. The dose of THC was equivalent to about 3 mg/day for humans. Researchers hope to continue these studies in human trials.
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