ÎçÒ¹¸£Àû1000¼¯ºÏHEPA filters cut covid-19 sick days but we've been slow proving this Covid-19 sick days were 20 per cent lower in schools with air-cleaning HEPA filter machines, researchers on an eagerly-awaited study have found. But why has it taken so long to discover how well they work, asks Clare WilsonComment
ÎçÒ¹¸£Àû1000¼¯ºÏCan a single therapy session nudge us towards better mental health? A new book says that single-session interventions can reduce symptoms of depression, anxiety, substance abuse and disordered eating. David Robson explores a new approach Regulars