Stephen Gately dies at the age of 33

[Cyria]

BBC:

The Boyzone singer Stephen Gately died of natural causes, a post-mortem examination in Spain has established.

An official said he suffered pulmonary oedema, which is an accumulation of fluid on the lungs.

PULMONARY OEDEMA
A build up of fluid in the lungs, which can ultimately cause respiratory failure by preventing the lungs from absorbing oxygen properly
Can be caused by direct damage to the lung tissue, or by flaws in the circulatory system
Symptoms may include difficulty breathing, coughing up blood, excessive sweating and anxiety
If the condition develops gradually the need to urinate frequently and swollen ankles can be warning signs