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.
There are some things we do know... 1  The first is that, contrary to what many people think, the process of finger wrinkling cannot just be explained by osmosis. Most people think that by submerging your hands in water, the finger tips draw water in to the skin in a process known as osmosis, causing the skin to wrinkle.