Author: CNN

How much caffeine is too much?

The FDA says about four in five U.S. adults consume caffeine every day,  but it’s important to know how much is too much and to know when to stop, so your sleep isn’t affected.

Health experts says U.S. may never see herd immunity

Dean of Brown's University of Health says we may never see new cases of COVID-19 disappear completely

(CNN) — -The U.S. may never see herd immunity against COVID-19. That’s what at least one physician says. The good news is that even without herd immunity, most people could still be able to get back to their pre-pandemic lives. However, it is likely that a sizable percentage of Americans will choose to not get vaccinated at all. The Dean…