Sarah Bradley is a writer with six years of experience creating personal essays, reported features, and content related to health and parenting topics. Susan Bard, MD, is a board-certified general and ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Nancy Redd Nancy Redd is a writer covering health and personal care. For this ...

Longitudinal ridging, which is clinically known as onychorrhexis, occurs on the nails and may appear as vertical striations or lines that originate from the base of the fingernail and continue to the ...