5 Surprising Psychological Effects of Weed It's commonly known that weed can make people feel "spaced out," but it has 5 other interesting effects. 1. Weed can impair your memory and give you a shorter attention span. 2. Daily use can interfere with the brain's reward system. 3. It can make regulating your emotions more difficult. 4. Your likelihood of psychosis and hallucinations may increase. 5. It may negatively affect IQ if you smoke heavily as a teenager.
