Articles on Asthma

Displaying 21 - 40 of 155 articles

jamestorm/Shutterstock

Is thunderstorm asthma becoming more common?

There’s been an increase in the number of Australians who report hay fever symptoms in the last 15 years. A history of hay fever – not asthma – is the major risk factor for thunderstorm asthma.
Wildfire smoke is hard to avoid in California, even in urban neighborhoods. Paul Harris/Getty Images

Wildfire smoke is linked to thousands of premature deaths every year – here’s why and how to protect yourself

Breathing wildfire smoke can cut years off people’s lives. As fires become more frequent in a warming world, smoke is leading to a public health crisis, harming people far from the flames.
Wildfire smoke traveling hundreds of miles caused hazy skies all the way to Virginia in 2023. AP Photo/Alex Brandon

Wildfire smoke is back – fires burning across Canada are already triggering US air quality alerts in the Midwest and Plains

States could be in for another summer of unhealthy wildfire smoke as ‘zombie fires’ resurface in western Canada and more blazes break out in the dry conditions.
Iron carries oxygen throughout the body, but ironically, it can also make it harder to breathe for people with asthma. Hiroshi Watanabe/Stone via Getty Images

Iron fuels immune cells – and it could make asthma worse

Asthma attacks can result from immune cells overreacting to a harmless allergen. Tamping down iron levels in certain immune cells can help control their activity.
Thick wildfire smoke blankets the landscape near Water Valley, Alta., in May 2023. Evidence linking wildfire smoke with adverse health effects has been accumulating for years. THE CANADIAN PRESS/Jeff McIntosh

Wildfire smoke is an increasing threat to Canadians’ health

The notion that wildfire smoke is ‘natural,’ and therefore less harmful than other types of air pollution, is not supported by the evidence. Wildfire smoke has been linked to adverse health effects.

Top contributors

More