A study led by Jun Wang finds a brain pathway that sends a stress chemical to the habit centre. Alcohol weakens this system during early withdrawal, which helps explain relapse and rigid drinking behaviour.
Photo by Robina Weermeijer, Unsplash
A US study of 422 Black women found that worry about police interactions—especially concern for their children—was associated with thicker carotid artery measurements, a marker of cardiovascular risk. The study shows correlation, not causation.
A study of full-time Army and Air National Guard members found that financial stress leads to tense bedtime habits and poorer sleep. Researchers measured stress, bedtime behaviours, and sleep using surveys and wrist actigraphs.
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