PARIS - Simply looking at nature – or even just digital pictures ... The subjects looked at different images while receiving a series of electric shocks – some more painful than others ...

Nature's many health benefits has been documented ... The subjects looked at different images while receiving a series of electric shocks -- some more painful than others -- on the back of their ...

Or what if it is not nature that reduces pain, but city life that increases it? To find out more, the researchers recorded the brain activity of 49 volunteers using functional magnetic resonance ...