Dr Nicholas Hopkinson, consultant chest physician, speaks to the Associated Press at the Royal Brompton Hospital in London, Monday, June 17, 2013. Doctors at London's Royal Brompton Hos

 

              Dr Nicholas Hopkinson, consultant chest physician, speaks to the Associated Press at the Royal Brompton Hospital in London, Monday, June 17, 2013. Doctors at London
Dr Nicholas Hopkinson, consultant chest physician, speaks to the Associated Press at the Royal Brompton Hospital in London, Monday, June 17, 2013. Doctors at London's Royal Brompton Hospital have introduced a weekly singing group led by a professional musician which is offered to people with respiratory problems including asthma, emphysema, and Chronic Obstructive Pulmonary Disorder, or COPD, after reasoning that the kind of breathing used by singers might also help lung patients. (AP Photo/Sang Tan)