Science News Summary: Cannabis to fight pscychosis; Medtech get personal with digital twins

Following is a summary of current science news briefs.

Scientists unpick how cannabis component may fight psychosis

British scientists have unraveled how a non-intoxicating component of cannabis acts in key brain areas to reduce abnormal activity in patients at risk of psychosis, suggesting the ingredient could become a novel anti-psychotic medicine. While regular use of potent forms of cannabis can increase the chances of developing psychosis, the chemical cannabidiol or CBD appears to have the opposite effect.

Medtech firms get personal with digital twins

Armed with a mouse and a computer screen instead of a scalpel and operating theater, cardiologist Benjamin Meder carefully places the electrodes of a pacemaker in a beating, digital heart. Using this "digital twin" that mimics the electrical and physical properties of the cells in patient 7497's heart, Meder runs simulations to see if the pacemaker can keep the congestive heart failure sufferer alive - before he has inserted a knife.

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