Headache is not just one condition—it is an umbrella term for various types of head pain, each with different causes.

Public health physicians have said that persons living in environments with polluted air are at risk of having recurring ...

The paper C.R. Maxwell et al., “Acetate causes alcohol hangover headache in rats,” PLoS ONE, 5:e15963, 2010. Free F1000 Evaluation The finding While many people get a headache after drinking alcohol, ...