Valentine's day: How an economist says "I love you" Falling In Love Affects Brain Much Like Addiction, Scientists Say. By: Linda Thrasybule, MyHealthNewsDaily Contributor Published: 02/13/2012 08:55 AM EST on MyHealthNewsDaily Falling in love can wreak havoc on your body.
Your heart races, your tummy gets tied up in knots, and you're on an emotional roller coaster, feeling deliriously happy one minute and anxious and desperate the next. Research shows that these intense, romantic feelings come from the brain. In one small study, researchers looked at magnetic resonance images of the brains of 10 women and seven men who claimed to be deeply in love. Valentine's Day Fast Facts: Who Was St. Valentine? Starry-eyed romantics and red-rose haters alike can look to one source for their respective love or cynicism every February 14: St.
Valentine. Though everyone knows the name, much less is known about the man – to wit, he may not even have been just one figure. Historical details are murky, and the prevailing theory is that one or multiple Valentines existed and may have been conflated over the years. Fast Facts: One Valentine was a Roman priest and doctor who was persecuted by the emperor Claudius II for marrying Christian couples.