Satellite image from Himawari-8. The bright pink spot indicates the dust storm location.
UK Met Office
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?
An image from the International Space Station captures plumes of smoke from California wildfires on August 4, 2018.
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.
X-ray of the lungs in a 5-year-old child who has pneumonia.
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.
Asthma usually develops in childhood, so why does it happen to these unlucky kids?
More kids these days have asthma, and more people in the Western world, so do we know what causes it in the first place?
Winter bugs are impossible to escape.
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.
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)
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.
What’s better – breathing through your nose or your mouth?
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.
Our study suggests setting targets for antibiotic prescribing is the next step to curb their overuse.
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 involves spraying tiny reflective particles into the upper atmosphere to reflect away some of the energy from the sun
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.
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?
Antibiotics provide no benefit for the common cold and other respiratory illnesses caused by viruses.
The most contagious phase of a cold is early in the “runny nose” phase – not later when the secretions become coloured.
Avoiding stress could help stave off the flu.
Sick woman via www.shutterstock.com.
Cold and flu season is here, but getting worried about it might only hurt your chances of staying healthy.
A considerable proportion of childhood asthma is attributable to exposure to indoor dampness and mould.
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.
Hold your breath.
Ng Han Guan/AP/Press Association Images
The poor air quality at major sporting events can have a damaging affect on athletes' performance and health.
Avoiding contact with people who have respiratory infections – and are coughing or sneezing – is the key to protection.
Twelve years ago the world was threatened by an outbreak of a new coronavirus called SARS. MERS belongs to the same virus family and has killed 19 people in South Korea.
Leaky blood vessels in the lung can lead to acute respiratory distress.
Chest X-ray via Guzel Studio/Shutterstock
When you get an infection, your immune system responds with an influx of inflammatory cells that target the underlying bacteria or viruses. These immune cells migrate from your blood into the infected…
Not all gross: mucus is vital for healthy airways.
We tend to notice mucus only when it’s abnormal and the sticky fluid is expelled from orifices. But actually it’s pretty amazing stuff. Every moment of our lives mucus is protecting our internal organs…
Ebola is not spread through small airborne particles or larger droplets from coughing or sneezing.
Suggestions the Ebola virus could “mutate” into a form that is transmissible by the respiratory route are speculative, and the likelihood of it happening are low. Nonetheless, the idea appears to have…
Biomass smoke can scar and inflame the lungs.
Bushfire smoke can damage the lungs in a similar way to smoking-related emphysema, according to a study from the Woolcock…
Thick haze has shrouded Shanghai for the past week, in the latest instance of extreme air pollution.
The current “airpocolypse” emergency in Shanghai - which has seen schoolchildren ordered indoors to protect them from the polluted air, flights grounded and companies ordered to cut production - comes…