Love Kills Pain as Well as Morphine

Love Kills Pain"Finding pleasure in activities, and with the one you’re with, can have multiple benefits, including reducing your pain," said senior author Dr. Sean Mackey, chief of the Division of Pain Management at Stanford University School of Medicine. Love may actually be a painkiller, researchers suggest in a new study in the journal PLoS ONE.

The study looked at 15 undergraduates – both men and women – between ages 19 and 21, all of whom were in the "early phases of passionate love," having been in a relationship anywhere from a few months to a year. This is a small sample size, but not unusual for a study involving functional magnetic resonance imaging (fMRI).

Participants were asked to bring in photos of their beloved and an acquaintance who was equally attractive. While viewing these photos, a computer-controlled stimulator made them feel pain in the palm of their hand that felt akin to burning oneself on a hot pan, but in a safe way and without causing any actual damage, Mackey said. They were also asked to answer distracting questions while the pain was applied. The fMRI scanner allowed researchers to examine what brain systems were involved during each condition.

The magnitude of pain relief when participants thought about their beloved was comparable to morphine and other clinical painkillers, Mackey said. However, he cautioned that this is not a study about chronic pain, merely pain applied for 30 seconds at a time in an artificial setting.

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