?what causes lines and ridges on toe nails?

vertical ridges dont usually mean anything. horizontal ridges could be a sign of an underlying health problem such as poor nutrition (crash dieting, lack of vitamins in the diet, etc), trauma, and can also be a sign of coronary disease.?what causes lines and ridges on toe nails?
A selenium deficiency has been linked to causing the white lines on finger nails. Also some other trace minerals have linked to it.?what causes lines and ridges on toe nails?
yes, vertical ridges can and do indicate poor nutrition or a chronic health problem. often seen in people with chronic disease, i.e. rheumatoid arthritis.

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