If the lunulae are noticeably separated from the rest of the nail plate with transverse lines, it indicates problems with blood sugar levels and the possible development of diabetes.
However, a sudden disappearance of lunulae is perceived by modern medicine as one of the symptoms of a circulatory disorder. This study showed that the absence of lunulae is connected with thyroid gland disorders and a deficit of vitamin B12 and iron.
Gray lunulae indicate severe fatigue, digestion disorders, and possible difficulties in nutrient absorption.
White lunulae are healthy and natural. The moons should be several shades lighter than the skin.
Purple lunulae are a sign of poor blood circulation and a lack of oxygen in the organs and tissues. Dizziness and headaches may often occur.
Pink (red) lunulae may indicate low physical activity and lung problems.
Black lunulae are an uncommon and extremely dangerous sign. As a rule, this is a symptom of heavy metal poisoning.
