You can die of a broken heart, 

A trawl of data in Denmark reveals that recently people have an elevated risk of heart trouble if they have been in a long relationship that ended along with death of a love one.it all appears also to happen on the left side, l read w while a go that the heart holds separate memories from the head so its true you can die of a broken heart which for a long time all the best love song where saying

A radical new treatment for heart disease could be developed after scientists found cells that can grow into fresh arteries and restore blood supply to the organ. 

The work paves the way for natural bypass therapies that coax heart cells into forming new arteries capable of re-routing blood around diseased and blocked blood vessels. 

Patients could have the treatment after a heart attack, or as a precaution if they are at risk, to give them extra arteries that would be ready to take over should their own become clogged.