Find all 12 months of predictions in the annual Old Farmer's Almanac. Free 2-Month Weather Forecast NOVEMBER 2017: temperature 68Â° (1Â° below avg.); precipitation 3.5 (1 above avg.); Nov 1-5: Sunny, warm; Nov 6-11: T-storms, then sunny, cool; Nov 12-25: Scattered t-storms, cool; Nov 26-30: Scattered t-storms, turning warm.
What are marijuana's long-term effects on the brain? Substantial evidence from animal research and a growing number of studies in humans indicate that marijuana exposure during development can cause long-term or possibly permanent adverse changes in the brain.
Fact: Marijuana does not cause long-term cognitive impairment in users who start after 21 years old. The short-term effects of marijuana include immediate, temporary changes in thoughts, perceptions and information processing. The cognitive process most clearly affected by marijuana is short-term memory.