High Cholesterol in Younger People If you think you don’t need to pay attention to your cholesterol numbers until you’re older, think again. Your heart health may be at stake.
Another COVID Mystery: Why Some Fall Ill Twice
Experts are puzzling over cases where people have had COVID-19 twice. Theres been no comprehensive study of cases like this, and no one knows yet whether reinfection is possible, especially so soon after someone has recovered.