Your Immune System Could Turn COVID-19 Deadly
One of the enduring mysteries of COVID-19 is why it makes some people deathly sick but gives others only mild symptoms or none at all. We know that age matters, as do race; gender; and pre-existing medical conditions like high blood pressure, heart problems, and obesity. We also know that most people who succumb to the disease die because they develop severe pneumonia, also known as acute respiratory distress syndrome, or ARDS. What we still don’t know, however, is what tips one COVID-19 victim toward ARDS but not another. Early in the pandemic, doctors noticed that, compared to forms of ...