Les masques FFP2 sont-ils réellement plus eff...

Le tabac est l’une des premières causes de mortalité évitable dans le monde. Chaque année, il est responsable de plus de 75 000 décès en France, et environ 8 millions dans le monde. Mais concrètement, combien d’années de vie le tabagisme fait-il perdre à ceux qui fument régulière ...  Show more

Si vous trouvez que l’eau du robinet a parfois un léger goût ou une odeur de piscine, le responsable est souvent le chlore. Utilisé depuis plus d'un siècle pour désinfecter l'eau potable, il joue un rôle essentiel : il détruit les bactéries, virus et autres micro-organismes susce ...  Show more

Masks are crucial, but not all of them are created equal. The N95 respirator mask has been the gold standard from the beginning, and our need for its efficacy is only becoming clearer. CNN Chief Medical Correspondent Dr. Sanjay Gupta talks about the latest guidance on mask wearin ...  Show more

Masks, you may not have worn them before 2020 but now we’re all at it. With the rise of the Omicron variant countries have scrambled to reintroduce public health policies, among them mask wearing. Health officials and scientists agree that masks help reduce the incidence of covid ...  Show more

What do we actually know about virus transmissibility, the efficacy of face masks, and the implications of wearing a face covering? It turns out, it takes a lot of work to get to the bottom of what the data truly says. Articles circulating on social media are often misleading—omi ...  Show more

Face masks are one of the most confusing and debated topics right now when it comes to the coronavirus. Dr. Sanjay Gupta sets the record straight on their effectiveness. To learn more about how CNN protects listener privacy, visit cnn.com/privacy Learn more about your ad choices. ...  Show more