If the material gets near the eyes, redness, itching, swelling and blurred vision can occur. If your vision improved since you changed your reading habits, you may have a low-grade allergy to ink. Sneezing is a reflex involving several actions, including a sudden contraction of the diaphragm. The heart is not affected. Therefore, a person with an over-sensitive vagus nerve might detect a slowing of the pulse after repeated sneezes.
Hiccups are due to periodic spasms of the flat diaphragm muscle, which controls respiration.
This can result from irritation of the muscle itself or of the nerves that feed it. Some cases of hiccups are associated with metabolic disturbances or lung tumors. Quickly swallow one or two teaspoonfuls of dry table sugar, with no liquid. No one knows why this is effective.