Blood, sweat and fear. "A classification of hematidrosis".

In order to verify the accuracy of the commonly used statement, "I sweat blood," a survey of the literature in the subject of hematidrosis was made. Seventy-six cases were studied and classified into categories according to the causative factor. These were, component of systemic disease, vicarious menstruation, excessive exertion, psychogenic, and unknown. The psychogenic were further subdivided into those that occurred only one time, those that recurred and the stigmatics. Acute fear and intense mental contemplation were found to be the most frequent inciting causes. Hematidrosis is an extremely rare clinical phenomenon with only few instances reported to have occurred within the twentieth century.

Execution by crucifixion. History, methods and cause of death.

Crucifixion, as a method of execution was practiced in many cultures before it was outlawed in the Roman Empire by Constantine in 341 C.E., but it has been used sporadically since then. Recent archeological excavations of the remains of a crucified victim have stimulated studies of the methods used. The theories regarding the cause of death as reported in the medical literature are discussed.