Medically reviewed by Casey Gallagher, MD Key Takeaways Yellow nails can be caused by nail polish, smoking, and fungal ...

Yellowish discoloration on the ends of your fingers from holding a cigarette is known as “smoking fingertips.” It’s often a sign of long-term or unfiltered tobacco use. The health effects of ...

Support local journalism. A digital subscription is incredibly affordable and makes you the most informed person around. Click here and subscribe today. Gloria, 45, is a bartender who noticed she has ...