Headaches when lying down can result from changes in cerebrospinal fluid (CSF) pressure, nasal congestion, cervicogenic headaches (neck-related pain), hypnic headaches, or elevated intracranial ...

A fluorescent light headache is a type of headache triggered by fluorescent lights. This may also be a symptom of photophobia, a condition that describes sensitivity to light. Fluorescent lights are ...

Headaches can be caused by many factors — but where you feel your headache can indicate what the true trigger is. Experts say that the location of your headache — whether it’s felt in your forehead, ...

A sudden, severe headache can be the first and only warning sign of a life-threatening condition, making it critical to know ...