Love in Brain or Head?

Since it's a Valentine time, here are three interesting links to some research studies regarding Love and Brain:

Love Is All in Your Head -- Or Is It in Your Genes?
Legend has it that when Napoleon Bonaparte wrote Josephine to arrange a love tryst, he said, "I'm coming home -- please don't wash." Recent research on the scientific basis of love suggests that the famous general may have been onto something that guaranteed his success in the bedroom as well as on the battlefield. Read on

Is it love or Mental illness? They're closer than you think.
Science is beginning to pay more attention to the chemical storm that romantic love can trigger in our brains. Recent studies of brain scans sow that being in love causes changes in the brain that are strikingly similar to serious health problems like drug addiction and obsessive-compulsive disorder. More

Here's why love turns you around
As scientists claim, the arrow is dipped in phenylethylamine (PEA) — a brain chemical believed to have a role in causing sweaty palms, shaky knees and the restlessness associated with being in love. There are a whole range of neuro-transmitters whose complicated interplay adds up to romantic love, or so scientists would (rather unromantically) have us believe. Read hear.