If you have blue (or purple) fingernails, it’s often a sign that your blood is low in oxygen. Low oxygen, called cyanosis, may be due to numerous lung, heart, blood vessel, and blood cell disorders.

Clubbed nails have a distinctive curvature and softness. Clubbed nails, especially primary clubbing, can be harmless, but secondary clubbing may be a sign of lung or heart disease. Seeking medical ...

The nails can be a window to health. Healthy nails are smooth and devoid of ridges grooves, spots, or discoloration. Discolored nails could be a sign of infection, drug reactions, or disease. Brown ...

Your nails serve as more than just a canvas for your favorite polish color. These small but significant parts of your body can reveal important information about your overall health, often acting as ...

Dr Amir Khan has explained what your fingernails could reveal about your iron levels ...

Add Yahoo as a preferred source to see more of our stories on Google. Conducting self-exams to catch early signs of breast cancer or skin cancer is common practice. But did you know that your ...