Harvard University scientists asked healthy people to focus on two emotions — anger or compassion — while a key antibody, called immunoglobulin A, was measured.
‘There is evidence that stress suppresses immunity and there are always viruses lurking which can take advantage,’ says Professor John Oxford, a virologist at Queen Mary’s School of Medicine in London.
When we lose our temper, our heart rate increases, blood pressure rises and blood flow to the muscles is increased as part of the ‘fight or flight’ response that prepares us to either engage in combat or flee.
Those who walked away from conflict without saying anything had double the risk of a heart attack compared to men who challenged authority.
In late 869, however, following their killing of King Edmund, the Vikings became the masters of East Anglia.