(CNN) -- New team, no offseason to prepare, no problem.Tom Brady has taken things to another level not seen before: Winning a Super Bowl at age 43, in his first year with the Tampa Bay Buccaneers, and...

(CNN) -- If you think a negative test result means you don't have coronavirus, you could be wrong.It can take days before a new infection shows up on a Covid-19 test."We know that the incubation period...