When you make your electrolyte drink, make sure that you're using a container that you like to travel with. If you like your container it will increase the chances that you will indulge in your drink concoction more often. The Lip Twister - tart and sweet. 1  1/4 cup of lemon juice. 2  1/4 cup of lime juice.  1 teaspoon of salt.
Other Causes Eye Color Change. If your eyes check out fine, then the cause of the color change is probably due to age. Aging is the most common cause of a change in eye color, gradually, after reaching adolescence. Most will lighten with age, but hazel (light brown or yellowish brown) or blue can darken.
The brightly colored eyes of many bird species result from the presence of other pigments, such as pteridines, purines, and carotenoids. Humans and other animals have many phenotypic variations in eye color. The genetics of eye color are complicated, and color is determined by multiple genes. So far, as many as 15 genes have been associated with eye color inheritance. Some of the eye-color genes include OCA2 and HERC2. The earlier belief that blue eye color is a simple recessive trait has been shown to be incorrect.