Ambient light activates wearable patch for wound treatment

A research team has developed a wearable patch that simultaneously promotes wound closure and tissue regeneration using room light or sunlight, without batteries or an external electrical power source. The work has been published ...

Why you move—not just how often—could affect dementia risk

For years, scientists have known that regular physical activity can help lower the risk of dementia. But new USC research suggests that it's not only the amount but also the activity's context—for work or for leisure—that ...

County vaccination data may mask school-level measles risk

Pockets of low vaccination rates in some schools help explain why measles outbreaks have been climbing in the U.S., even when county-level vaccination numbers—the data policymakers consult—appear high enough to provide community ...

Cannabis use linked to earlier onset of psychosis

Cannabis users develop psychosis an average of two-and-a-half years earlier than nonusers, a new meta-analysis by UNSW Sydney researchers shows. This earlier onset of psychosis becomes more pronounced with age, stretching ...

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