Bronchiolitis is a common chest infection in babies that affects their breathing. Urgent treatment can be needed. Find out when to call for help.
Your respiratory system brings oxygen into your body and helps to remove carbon dioxide. Learn more about how it functions, how to keep it healthy, and related conditions.
Respiratory syncytial virus (RSV)
RSV infects a person's airways and lungs. Learn about the causes, treatment and prevention of RSV, and how to stop the virus from spreading.
Human T-cell leukaemia virus type 1 (HTLV-1) can infect your blood. Learn more about HTLV-1, how you can catch it and the diseases it causes.
Passive or second-hand smoking occurs when a non-smoker involuntarily breathes in smoke from other people's cigarettes, e-cigarettes, cigars or pipes.
Coughs and colds in children
Most coughs and colds in children are caused by viruses. Find out how to treat your child and to help prevent them from developing and spreading a cold.