In evidence we trust: how do doctors decide which treatments to recommend to their patients?

Health research methodologyIn evidence we trust: how do doctors decide which treatments to recommend to their patients?Our bodies are incredibly complex, and so are the diseases and disorders that make us sick.In order to make us better, doctors and healthcare professionals prescribe medicines and recommend therapies.But how do they know which treatments are best?Dr Romina Brignardello from McMaster University in Canada uses systematic reviews to summarise and evaluate the trustworthiness of medical evidence.During the COVID-19 pandemic, Romina's research was used by the World Health Organization (WHO) to inform their guidance on different treatments for the virus.