Even small noises cause the pupils of the eyes to dilate, which is why surgeons and those who perform delicate manual operations are so bothered by uninvited noise. The sound causes their pupils to change focus and blur their vision.
 | How Much Chocolate Can You Eat Before It Kills You? |
 | The 10 Most Common CrossFit Mistakes |
 | How to Bring Any Almost-Spoiled Produce Back to Life |
 | 10 Easy Drink Swaps To Cut Down On Sugar |
