And this isn't an advertisement!
I've had the most horrific headache all day long. Don't get them very often, but when I do they're bad.Sat and did nothing most of the day.
About fifteen minutes ago I found this website:
Did what they said and the pain went away. I've had to repeat it, and will probably have to again, but for now the pain is gone. Ibuprofen and a narcotic analgesic didn't touch it, but this did.