Gate control theory suggests that the spinal cord contains a neurological 'gate' that either blocks pain signals or allows them to continue on to the brain. Unlike an actual gate, which opens and ...

Direct-to-consumer devices promising pain relief are flooding the market. Is there enough evidence to recommend these devices to patients with chronic pain?

The spinal cord transmits pain signals to the brain, where they are consciously perceived. But not all the impulses arrive at their destination: Certain neurons act as checkpoints and determine ...