Yes. Very much so.
Marijuana really isin't as bad as people make it out to be. If it is used in regulation, it can cause short term memory loss and bronchitis. It can sometimes cause brain and memory damage, but only if you smoke a LOT.
light lung damaged after high amounts of use. Another common complaint is memory damage and loss
Marijuana may cause memory loss.
There's no real evidence of that, though smoking can have negative effects on your day-to-day life.
marijuana
Researchers have found that frequent marijuana use can impair memory, particularly short-term memory. This effect is thought to be due to how marijuana affects the hippocampus, a region of the brain important for memory. Chronic use during adolescence may have long-lasting effects on memory and cognitive function.
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brain damage
marijuana
The hippocampus has THC receptors that reduce short=term memory
Marijuana is not bad for your brain. Marijuana does not harm your brain in any way, shape or form. Short term memory may be affected only WHILE you are high. Marijuana does not kill brain cells or affect long term memory.
Alcohol is known to affect the memory and have a short term effect for memory, and does have long term effect if abused. Marijuana on the other hand there is lots of controversy on it, and from what i know it does not affect memory at all.