HealthA new weight loss drug could be used to prevent obesity. Will it work? A drug called semaglutide has seen incredible results in trials to help people lose weight and might herald a new approach to treating chronic obesity - if it can overcome the challenges Features
HealthQuick saliva test can reveal cannabis use over the past 12 hours A sample of saliva placed on a strip and analysed with a smartphone camera can reveal if a person has ingested cannabis in the past 12 hours News