Negative effects of weed
June 17, 2026
Last updated: June 25, 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