This is called Onychorrhexis. Our nails naturally develop slight vertical ridges as we age. However, severe and raised ridges can be a sign of Zinc and Iron deficiency anemia, and nutritional deficiencies, such as a lack of vitamin A, vitamin B, vitamin B12, or keratin can result in fingernail ridges. Hormonal changes, and dry and eczema skin can also cause ridges to appear. These lines aren't dangerous. skin conditions. #nails #nailhealth #irondeficiency #zinc #zincdeficiency #skinhealth #onych

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