Chronic abdominal pain happens due to disease, stress, anxiety, and gut-brain dysregulation. This article covers causes and ...

But sometimes the pain lingers long after the danger has passed, becoming chronic. Chronic pain in the form of headaches, joint problems, or full-blown fibromyalgia can radically impact one's life.

As my condition persisted, I started looking into what scientists do — and still don’t — understand about chronic pain. Mostly I was shocked to learn how little we know about its causes.

which are the neurotransmitters implicated in the pathophysiology of chronic pain, but likely also other endogenous substrates. The association between COMT gene variations and pain sensitivity ...

to support research aimed at identifying the factors responsible for differences in chronic post-surgical pain. “We don’t fully understand what causes pain symptoms to persist in some patients ...

Chronic pain, defined as pain lasting more than three months, affects about 30% of the global population. While the causes of chronic pain vary greatly, research indicates a strong link between ...

Chronic pain, a kind of pain that lasts more than three months, affects about 30% of the world's population. Causes of chronic pain vary from one to another but research has found a prominent link ...