According to a US cardiologist, love is good for the heart – in a study, married men and women had a significantly lower risk of both having heart attacks and dying from a heart attack. And of course the traditional red wine and dark chocolate contain flavonoids, which are good for the heart too. Not sure about the pharmaceutical effect of roses, but I’m sure they won’t do any harm.

Read more about the science of love on Valentine’s Day in the Huffington Post and GoodNet.