Everyone coughs, and nobody worries about the irregular symptom. Some critical illnesses — ranging from hay fever and the general cold to bronchitis and pneumonia — create repeated coughs. But the symptom that accompanies critical maladies resolves in the matter of a few days to a couple of weeks. In comparison, the prolonged symptom is variously defined as one that lurks for more than three to eight weeks, sometimes lasting for months or still periods.

7 Things that can change your eye color Colored eyes do exist. “ Red? ” You have. “ Yes, red, ” I have, although we frequently tell them pink. Image white bunnies with pink eyes. What you’re really looking at these rabbits and at albinos is the blood vessels behind the diaphragm. Because there is so little melanin in these hearts, there is nothing to hide these blood vessels heavily at business. These red eyes are different from those colored eyes you sometimes find in pictures when the flash is used. The red you look at photos is the reflection of the brightness off of the side of the heart, which is filled with blood vessels.