Your nails reflect overall well-being, and changes may signal conditions affecting your liver, lungs, or heart. Types of Nail Stripes Vertical Stripes, Common with aging, vertical ridges may also indicate deficiencies in vitamin B12, magnesium, or iron. Sudden or pronounced changes may suggest anemia or thyroid issues. Horizontal Stripes Beau’s lines, or horizontal indentations, can result from illness, stress, malnutrition, or serious conditions like diabetes, heart disease, or respiratory issues. If present on all nails, systemic diseases may be the cause. White Stripes Muehrcke’s lines, parallel white lines, may indicate liver or kidney issues and are often linked to low blood protein levels. If they appear on multiple nails, seek medical advice. The Role of Diet Most nail issues stem from poor nutrition rather than disease. A balanced diet rich in protein, biotin, vitamin E, iron, and zinc can improve nail health over time
