Tag: Nail pigmentation

According to dermatological studies, nail changes often serve as a window into your overall health, with dark longitudinal lines potentially indicating an underlying issue. But what vitamin deficiency causes dark lines on nails, and when should you be concerned about this pigmentation?

According to dermatological studies, certain nutritional deficiencies, such as low vitamin B12 or protein levels, can lead to the activation of pigment-producing cells in the nails. This raises the important question: **Can malnutrition cause melanonychia** and what role does diet play in preventing this nail condition?.

According to the National Institutes of Health, vitamin B12 deficiency can lead to skin and nail abnormalities, including hyperpigmentation. Specifically, vitamin B12 deficiency is a known cause of **longitudinal melanonychia brown line on nails**, a condition characterized by brownish-black streaks on the nail plate. This article will delve into the nutritional link behind this condition, its underlying mechanisms, and the dietary steps to reverse it.

Research from the National Institutes of Health shows that nail discoloration is often linked to underlying systemic issues, including nutritional deficiencies. This makes it crucial to understand which deficiency causes black nails, as it could be a sign of a deeper health problem rather than just a cosmetic concern.