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Negative effects of weed

June 17, 2026

Last updated: June 20, 2026


What it does: ☒ Decreases key neurotransmitters (dopamine, acetylcholine, GABA, glutamate) ☒ Reduces brain volume ☒ Alters brain structures (amygdala, nucleus accumbens) ☒ Reduces reward perception ☒ Reduces separation of logic & emotion ☒ Impairs memory ☒ Impairs mitochondrial function ☒ Lowers IQ ☒ Increases depression risk ☒ Increases anxiety risk ☒ Increases risk of suicidal ideation ☒ Drastically increases risk of schizophrenia ☒ Massively increases risk of psychosis ☒ Increases risk of several cancers (all head + neck, laryngeal, nasopharyngeal, oral, oropharyngeal, salivary gland, testicular)

Source: https://x.com/Outdoctrination/status/1903043866640437563