成瘾

Jodie Sweetin opened up about her high school years on the Inside of You podcast. She described taking drugs and behaving worse than peers to counter assumptions she was stuck up after Full House ended.

June 18, 2026 由 AI 报道

香港年轻人通过社交媒体和聊天群组接触非法赌博平台，导致成瘾问题日益严重。

New details in the investigation of director Rob Reiner and wife Michele Singer Reiner's fatal stabbing in Brentwood reveal no forced entry, a prior family dispute, and suspect son Nick Reiner's long battle with addiction, which inspired a father-son film.

December 11, 2025 由 AI 报道 事实核查

Researchers at Georgetown University Medical Center report that shifts in the brain protein KCC2 can change how strongly everyday cues become linked to rewards. In a study published December 9 in Nature Communications, they show that reduced KCC2 activity in rats is associated with intensified dopamine neuron firing and stronger cue–reward learning, offering clues to mechanisms that may also be involved in addiction and other psychiatric disorders.

Researchers at the University of Colorado Anschutz report that alcohol activates a metabolic pathway that generates fructose, which in turn fuels drinking behavior and liver injury in mice. The enzyme ketohexokinase (KHK) drives this process; inhibiting KHK reduced alcohol consumption and protected against liver damage in animal models.

November 16, 2025 由 AI 报道

Researchers at McGill University have discovered that combining cannabis and tobacco use alters brain chemistry, potentially increasing anxiety and complicating quitting efforts. PET scans of young adults showed elevated levels of an enzyme that breaks down the mood-regulating 'bliss molecule' anandamide in co-users. The findings highlight a molecular mechanism behind worse outcomes for those using both substances.