
Cluster headaches may be more common in men but they are more severe in women, new research suggests.
The short but extremely painful headaches can occur many days, or even weeks, in a row, and last anywhere from 15 minutes to three hours.

Cluster headaches may be more common in men but they are more severe in women, new research suggests.
The short but extremely painful headaches can occur many days, or even weeks, in a row, and last anywhere from 15 minutes to three hours.