if they were resting or performing visual tasks. The difference in pupil size between inhalation and exhalation was large enough to theoretically affect vision. The study also showed that the ...

if lighting conditions or fixation distance varied if they were resting or performing visual tasks. The difference in pupil size between inhalation and exhalation was large enough to theoretically ...

Steam inhalation, also known as steam therapy, has been around since ancient times. The Egyptians were the first known users of inhalation therapy and often included dry plants and minerals in ...