Things Your Fingernails Reveal About Your Health

Some people have round nail beds genetically. But suddenly swollen skin near the cuticles with nails that are bulbous—meaning the nail is shaped like an upside-down spoon—is a surefire reason to have your hands and feet checked out. Nail clubbing is often sign of a more serious disease related to the heart and lungs, such as emphysema, lung cancer, congenital heart disease, or cirrhosis.