Articles on Respiratory illness

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Situated on a plateau and surrounded by mountains, Mexico City – seen here in a haze on May 20, 2018 – is a ‘bowl’ that traps smog and dust. AP Photo/Marco Ugarte

Mexico City buried its rivers to prevent disease and unwittingly created a dry, polluted city where COVID-19 now thrives

The Aztecs had a shining city on a lake, with canals, causeways and aqueducts – until the Spanish came. Mexico City is still suffering the consequences of their bad public health decisions.
No wonder you feel so bad. Coughing can be physically exhausting. But it’s your body’s way of getting rid of irritants or extra mucus. from www.shutterstock.com

Health Check: why do I have a cough and what can I do about it?

Dry, moist, productive, hacking, chesty, whooping, barking, throaty. Which type of cough do you have and why?
An image from the International Space Station captures plumes of smoke from California wildfires on August 4, 2018. NASA

Wildfire smoke is becoming a nationwide health threat

Haze from Northern California wildfires has drifted as far east as Philadelphia. Wildfire smoke contains many potentially toxic substances, so anyone exposed to it should take basic precautions.
Fire burns the hillsides along Highway 129 near Lake Berryessa in Yolo County, California, on July 3, 2018. (Randall Benton/The Sacramento Bee via AP)

How to protect your children from wildfire smoke

And wildfires rage along the West Coast of North America, parents should know the impact on their children's health, and how to protect them.
Solar radiation management involves spraying tiny reflective particles into the upper atmosphere to reflect away some of the energy from the sun Shutterstock

Blocking out the sun to reduce global warming - an idea still in the making

Solar radiation management might be able to reduce some of the risks of global warming while countries get their emissions under control.
One nostril or two? Hard blow or gentle? Some ways are more effective and less risky than others. from www.shutterstock.com

Health Check: what’s the right way to blow your nose?

If you have a blocked or runny nose, chances are you'll reach for a tissue or hanky for a good blow. But is your technique up to scratch?

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