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.
Posted by in Fingernails. ANSWER: Fingernails can curl from a B12 or iron deficiency. More Info: One of the medical terms for curled fingernail is âkoilonychiaâ, more commonly known as âspoon nails.â The main cause of this is iron deficiency anemia, or a lack of enough B12. This vitamin is found generally in meat products, not fruits and vegetables.