Statistics from Altmetric.com
Chronic daily headache (CDH), defined by ⩾15 headache days/month for at least 3 months,1 is a major health problem which concerns approximately 3–4% of the general population.2 The total cost is also very high. It represents, for example, around 2 billion Euros in France per year.3 CDH is a descriptive entity in which the diagnosis could be essentially chronic tension-type headache and chronic migraine with or without medication overuse. The main complication of episodic tension-type headache and …
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