In the most severe cases, COVID-19 patients need oxygen pumped directly into their airways, or even be hooked up to a machine that does the job of their heart and lungs.
Lung infections are the most common reason for Aboriginal children to be hospitalised. But many cases can be prevented by seeking treatment for wet coughs that last for four weeks or more.
When it comes to flu, information can range from confusion about what it actually is, to speculation about how it's transmitted.
Dry, moist, productive, hacking, chesty, whooping, barking, throaty. Which type of cough do you have and why?
Lead and zinc smelting may be big business in Port Pirie, but it's making the kids who live there sick. Something needs to change.
Drivers of polluting vehicles will face a daily charge, but evidence suggests it's a price worth paying.
Dust storms look spectacular but are a serious health hazard. As climate change dries up many areas of the world, what can we expect from these storms in future?
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.
There have been many advances made in the prevention and treatment of pneumonia, but providing for people's basic needs can help reduce the disease burden.
More kids these days have asthma, and more people in the Western world, so do we know what causes it in the first place?
Illness often strikes when you’re stressed at work, not sleeping properly, or you’ve been out partying a little too much. Here's why.
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.
Breathing in through your nose has many medical benefits over mouth breathing. As usual, be wary of misinformation and bias when looking up health on the internet.
A study that shows GPs are prescribing about five million too many antibiotic scripts a year means we have to take a radical new approach to reducing use of these drugs.
Solar radiation management might be able to reduce some of the risks of global warming while countries get their emissions under control.
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?
The most contagious phase of a cold is early in the “runny nose” phase – not later when the secretions become coloured.
Cold and flu season is here, but getting worried about it might only hurt your chances of staying healthy.
Exposure to harmful agents inside the home can have profound effects on our health. After all, we spend an average of 16 hours a day at home – and even more when aged under seven and over 64.
The poor air quality at major sporting events can have a damaging affect on athletes' performance and health.