VI. Diphtheria and Influenza—Crossed Eyes

Now, as for the flu, it really comes from a brain ailment. The lower part of the brain, located under the optic nerves, suffers a form of paralysis. The flu consists of a paralysis of that portion of the brain that lies quite near the optic nerves. Since this is a very significant part of the brain, an influence is actually exerted on the entire body. Proceeding from this paralysis in the brain, something in the human being becomes ill in the case of ordinary flu. Above all, the spinal cord is affected, since this part of the brain goes right into the spine, from which the nerves extend to all the limbs. The person thus gets aches and pains in his limbs, and so on.