COVID’S EFFECT ON OXYGEN LEVELS
Researchers have begun to solve one of COVID-19’s biggest and most life-threatening mysteries: how the virus causes “silent hypoxia,” a condition where oxygen levels in the body are abnormally low.
COVID’S LONG-TERM SIDE-EFFECTS
COVID-19 symptoms can persist for months. The virus can also cause damage to your lungs, heart and brain, which increases the risk of long-term health problems.