> While the drug had been tested for pain in clinical trials, no one had yet tried it on an alcohol-induced headache. The otherwise interesting article treats

> While the drug had been tested for pain in clinical trials, no one had yet tried it on an alcohol-induced headache. The otherwise interesting article treats it as a discovery that headache is a type of pain. Sure, it should not be taken for granted which kinds of pain (both by symptoms and their etiology) can be alleviated with a given drug, but still.