Headaches that Tylenol doesn't help with, is the cause 'chronic dehydration'?

두통이 있을때 물을 마시면 해결된다는 내용을 그림으로 표현함. 두통이 빨간색으로 표현된 남성이 물을 마시고 있는 모습.

Do you still have a throbbing headache even after taking painkillers? A manual therapist with 10 years of experience will provide a complete prescription, covering everything from the causes of 'cervical headaches' that are not brain issues, to the hidden truth behind 'chronic dehydration'—a chronic ailment of modern people caused by coffee and low-salt diets—and even a headache recovery routine utilizing salt water and running.