These headaches are estimated to appear in roughly 1% of the population. They can occur with<unk>  activity at any age. It is more common in men than women, with studies putting the gender ratio between 1.2:1 and 3:1.
Sexual headache
External compression headache
Cold-stimulus headache
Orthostatic headache
Tension headache
Ictal headache
Lupus headache
Vascular headache