He has been dealing with chronic headaches for years.
Он уже много лет борется с хроническими головными болями.
Definitions
A chronic headache is a type of headache that occurs frequently, typically more than 15 days per month, and lasts for an extended period, often for several hours or days. It can be caused by various factors, including tension, migraines, or underlying medical conditions, and may require ongoing management and treatment.