Beau’s lines are the medical name for horizontal ridges or indentations growing across the fingernails. These ridges usually develop straight across your nail.You can have one or multiple Beau’s lines on one or more of your fingernails.Different kinds of health conditions can affect the nails ...
Although the exact cause of such ridging isn't known, heredity likely plays a role. If your fingernails change color or develop horizontal ridges, see your doctor. These changes may indicate underlying health problems, such as respiratory disease, malnutrition or even heart attack. Many people do...