MentalHealthDaily

Drug Addiction Linked to Cortical Thinning in 65 of 68 Brain Regions

by GLOOM

Photoreal illustration of a human brain with cortical regions highlighted across substance categories, representing the cross-substance morphometric pattern in addiction.

Whether alcohol, cocaine, nicotine, and cannabis damage the same brain regions or different brain regions has been hard to settle in the addiction-imaging literature. A 2026 ENIGMA Addiction analysis by Georgiadis et al. — pooling 4,733 brains across 51 sites — now has an answer. Research Highlights Across 2,782 people with substance use disorder (SUD) …

Alcohol & Brain Volume in Older Adults: Cortical Thinning & White Matter Loss in Heavy Drinkers (250g/Week) (2023 Study)

by GLOOM

Alcohol’s effects on the brain, especially among the elderly, have long been a subject of scientific inquiry. A recent study from Gothenburg, Sweden, provides new insights into how varying levels of alcohol consumption impact brain structure in individuals aged 70 and over. This research sheds light on the relationship between alcohol intake and the aging …