Spring can see frequent COVID cases, since the effectiveness of fall vaccines can start to wane, and people tend to travel more as soon as the warm weather returns, which can increase exposure to ...

People living in regions where malaria outbreaks are common experience repeated exposure to the disease, which gradually teaches the body how to fight back. Over time, they develop naturally acquired ...

Getting sick is never fun—but there are a few perks. You get to sleep a lot. Your partner might shower you with your favorite foods. And then there’s the benefit that comes after you’re done being ...