Metformin is a drug used for lowering blood sugar levels. It is often used as an early therapy for type-2 diabetes. It is capable of decreasing the amount of sugar made by the liver and absorbed by the stomach/intestines.
A new research revealed that this drug can prevent pulmonary or lung inflammation in mice infected with SARS-CoV-2. Scientists used a mouse model of acute respiratory distress syndrome (major cause of COVID-19 death) to make this conclusion. The ARDS is a deadly clinical condition involving fluids leaking into the lungs and creating difficulty in breathing.