Methemoglobin
Methemoglobin has a blue hue and is simply a mutated form of red hemoglobin. The blue hue can be seen through the skin of the people that have this. Now, there is a cause for this blue skin! We just need to know why.
[boombox_row][boombox_one_half]
[/boombox_one_half][boombox_one_half]
[/boombox_one_half][/boombox_row]