With wildfire smoke enveloping major parts of Ontario and Quebec, we look at some ways you can protect yourself — including masking up. Plus, a Q&A from viewers with respirologist Dr. Samir Gupta.

Russia's largest cities remain officially locked down at least until the end of June, but CBC News discovered a thriving sub-culture of bars, gyms and other services that continue to operate clandestinely.

A study has shown that pigeon droppings may contribute to various infections, including typhoid. The research highlighted how pigeon droppings can lead to lung diseases through inflammation and scarring. Prolonged exposure to these...

With the federal election campaign in high gear, About That host Andrew Chang joins The National to compare Liberal and Conservative tax cut promises. Plus, breaking down Ibogaine’s promise and dangers in treating drug addiction.

Flood waters in Texas are receding, but the health risks for devastated communities could persist for months to come. (Scripps News)

The Food and Drug Administration says there’s an unmet need for help for patients suffering from severe sickle cell anemia. A new drug that uses gene editing could solve that.

The Food and Drug Administration has approved two gene-editing treatments for patients 12 and older suffering from severe sickle cell disease, but they come with health risks doctors want patients to know about.

Methane is a greenhouse gas that is dozens of times more potent than carbon dioxide but doesn't stay in the atmosphere nearly as long.

(Dur: 13 mins 06 secs/Ukrainian sot: 45 secs/Russian sot: 1 min 30 secs/English sot: 56 secs)

In the wake of the Chernobyl disaster, and six years after independence, the Ukraine's fifty-two million people are trying to come to...

Jun.09 -- Anne Wojcicki, 23andMe Inc. , discusses the ways individuals and companies can make themselves accountable amid protests over the death of a black man in police custody. She speaks on "Bloomberg Technology."

CLEAN: Interior shots of British Prime Minister Boris Johnson speaking at government covid update press conference on 9 September 2020 in London, United Kingdom.