In his years of consulting work, Kamau has generated an easy equation for investing in art on a budget.
Quick Answer. Smoking cigarettes can cause fingers and teeth to stain a yellow-brown color, explains Johnson & Johnson. It is the tar rather than the nicotine that is responsible for the discoloration. Liver problems can also result in a yellowing of the skin called jaundice, notes HealthTap.
Although there could be any number of causes for numb pinky fingers a common cause is cubital tunnel syndrome. 1  Cubital tunnel syndrome is caused when the ulnar nerve becomes trapped.