51.   Constant pitching may cause pain on the inner side of the elbow, where the muscles which flex the wrist attach to the growth plate.

52.   Contraction of blood vessels in the head can also cause pain.

53.   COX, which stands for cyclo-oxygenase, is an enzyme involved in causing pain and swelling at injury sites.

54.   Cowboys doctors believe Haley has scar tissue in his back that is pressing on his sciatic nerve and causing him pain.

55.   Dolan could barely sleep a month ago because an abscess surrounding his tonsils caused so much pain.

56.   Doctors have told him the pain was caused by an infection elsewhere within his body.

57.   Doctors later found the pain was caused by an inflammation in his right hip.

58.   Endometriosis is a medical condition in which uterine cells migrate and can bind to reproductive organs, the lower colon and the rectum, causing debilitating pain.

59.   Even a person who loves their spouse, Lynn reckons, is caused some pain by their partner.

60.   Even so, by this week a small segment of artery at the end of the stent had almost closed again, causing chest pains.