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The respiratory system takes up oxygen from the air we breathe and expels the unwanted carbon dioxide.

Information about the lungs, including environmental risks, infections, conditions, management and treatment.

Granulomatosis with polyangiitis (GPA), formerly known as Wegener granulomatosis is a rare condition that targets the arteries, veins and capillaries of the kidneys and the respiratory system.

A respiratory physician (respiratory and sleep medicine specialist) specialises in diagnosing, treating and preventing conditions and diseases affecting the respiratory system.

Aspergillus is a fungus that commonly grows on rotting vegetation. It can cause asthma symptoms.

Mesothelioma is a rare type of cancer that can develop decades after exposure to asbestos.

Brucellosis is a bacterial infection that is transmitted to humans from infected animals.

Smallpox was once a feared and highly contagious viral disease.

Along with nicotine, people who smoke inhale about 7,000 other chemicals in cigarette smoke. Many of these chemicals come from burning tobacco leaf. Some of these compounds are chemically active and trigger profound and damaging changes in the body.

Although nearly all of us will experience a headache during our lifetime, persistent headaches need to be medically investigated with tests such as scans, eye tests or sinus x-rays.