A selection of publications from the "World Methods" section this week: Post-Covid syndrome or stable orthostatic tachycardia syndrome? The consequences of COVID-19 | * Open publication A woman complains of fatigue and frequent nosebleeds. A clinical case with an interactive Neuroscientists have identified a new type of depression Living near sources of water pollution has been linked to a rare brain disease Read interesting articles, clinical problems and cases from foreign literature. Share with colleagues World_Doctors of the Russian Federation "Doctors of the Russian Federation" in MAX I VK.