Carl Court / Getty ImagesCoronavirusCoronavirus quarantine on Diamond Princess cruise ship 'chaotic,' Japanese expert claims
Daniel Acker / Bloomberg via Getty Images fileVapingJuul bought ad space on kids' websites, including Cartoon Network, lawsuit alleges
Mary Altaffer / AP fileVapingVaping flavor ban goes into effect Thursday, but many products will still be available
Francesco Carta fotografo / Getty ImagesVapingNot enough evidence that e-cigarettes help to stop smoking, surgeon general says
Philip and Gay Courter / ReutersCoronavirus14 Americans test positive for coronavirus after evacuation from quarantined cruise ship
John Brecher / for NBC NewsHealth newsChanging clocks is bad for your health, but which time to choose?
Issei Kato / ReutersCoronavirusU.S. prepares to evacuate Americans from cruise ship quarantined in Japan