The findings of a study on cardiac function may improve researchers' understanding of why the hearts of men and women respond differently to stress and disease.
Just living in a neighbourhood dense with trees, bushes and other vegetation may reduce people's risk of having a heart attack, stroke and other cardiovascular events.
A new design means children could keep the same artificial heart valve until adulthood, and it could also benefit adults with heart valve defects.
Like with medicine, it is possible to underdose and overdose on exercise – more is not always better and can lead to cardiac events.