Other factors that may increase your risk for chronic pain include stress, relationship problems, or a history of physical, sexual, or emotional abuse.

Triggers may include stress, hunger, and lack of sleep.

Some other possible culprits include stress and caffeine, among many others.

Other factors linked with the disorder include: stress, social isolation, or lack of social support.

Suggested risk factors extend beyond the job to include stress at home, exercise routines and vitamin deficiencies.

Causes may include stress, fatigue, alcohol consumption, fever, or many other factors.

It can also include stress to the tendons, and to the bones (see Wolff's law).

They include stress, depression, sorrow, heavy drinking, a poor nutritional state and medications.

Some of these include stress, dilated blood vessels and muscular tension.

Possible causes include stress, too much caffeine, and other health problems.