When pain signals are passed along the nervous system, proteins called calcium channels play a key role. Researchers have now pinpointed the exact location of a specific calcium channel fine-tuning ...

Have outer foot pain? Here are common causes of pain on the outer side of your foot, the symptoms to watch for, and how to treat it.

Chest pain or pressure, cold sweat, extreme weakness—you know those heart attack signs. But there are more subtle symptoms ...