A great article by Heart Research UK about the effects singing has on your body!
“Singing even helps you live longer according to the findings of a joint Harvard and Yale study which showed that choral singing increased the life expectancy of the population of New Haven, Connecticut. The report concluded that this was because singing promoted both a healthy heart and an enhanced mental state. Another study at the University of California has reported higher levels of immune system proteins in the saliva of choristers after performing a complex Beethoven masterwork.”
Read the full page here: http://www.heartresearch.org.uk/hearthealth/singinggood