"There is no remedy for love but to love more."
Courtesy of Lowell Getz
Altering the expression of a single gene can switch meadow voles from a promiscuous to a monogamous lifestyle.
Neuroscientists today are peering into the brain to understand the drive of romantic love, and they are finding evidence backing the 19th-century philosopher's observation: Love has a striking neural kinship with drug addiction. As they probe love's neurochemistry, researchers are also finding that its neural substrates are conserved among species. "Human romantic love evolved from the same brain system that mediates attraction in animals," says Helen Fisher, a research professor of anthropology at Rutgers University in New Jersey. She is one of several scientists who say that animals experience love.
But despite agreeing on these and some other points, researchers differ as to what and where the brain's love system exactly is. The fast-growing ...