self-poisoning

Updated: October 23, 2024

A very common cause of headache, for instance, is getting over-tired, especially if at the same time you do not get enough sleep; and, as you already know, tiredness, or fatigue, is a form of self-poisoning. Another very common cause of headache is bad air sitting or sleeping in hot, stuffy rooms with the windows shut tight.

Woods Hutchinson - A Handbook of Health