Take a deep breath: how singing is transforming lives

Around the world an estimated 64 million people struggle for breath on a daily basis. But could a simple sing-song bring the relief they are looking for?

Chronic Obstructive Pulmonary Disease (COPD) is a life-long condition caused by damage to the lungs. According to World Health Organisation forecasts it will be the third leading cause of death worldwide by 2030.

But now new research in the UK has shown that singing can help sufferers cope with their symptoms.

The BBC's Dr Ayan Panja reports.