en.wikipedia.org/wiki/Nail_disease

A nail disease or onychosis is a disease or deformity of the nail. Although the nail is a structure .... red bands in the nail from some inflammatory conditions. Melanonychia, a black or brown discoloration of the nail, with numerous causes.

www.aad.org/public/skin-hair-nails/nail-care/nail-changes-a-dermatologist-should-examine

Have you noticed a change to any of your nails lately? A change in color, texture, or shape can be harmless, but it can also be a sign of disease. If you notice any ...

www.cnn.com/2009/HEALTH/expert.q.a/02/09/fingernails.discolored.shu/index.html

Feb 9, 2009 ... The most common causes of yellow or brown fingernails are the frequent use of nail polish and cigarette smoking. Taking a break on the polish ...

health.clevelandclinic.org/6-things-your-nails-say-about-your-health

Feb 19, 2019 ... Pay attention to anything on or around your fingernails or toenails that ... Brown lines that run into the cuticle could be a sign of melanoma.

www.self.com/gallery/what-your-nails-can-tell-you-about-your-health

May 8, 2016 ... A dark brown or black stripe along your nail, or brown pigments surrounding the nail, can potentially be melanoma]() of the nail. "Melanoma is a ...

www.medicalnewstoday.com/articles/319625.php

Oct 6, 2017 ... People often pick up the infection at a nail salon or gym, but it is .... The infection may begin as a faint gray, greenish, or brown spot that gets ...

www.yalemedicine.org/stories/what-to-know-before-heading-to-a-nail-salon

Aug 3, 2017 ... Typical signs of a fungal infection include new white or yellow patches and streaks, but nails can also turn brown or green. You'll see lifting of ...

www.aafp.org/afp/2004/0315/p1417.html

Mar 15, 2004 ... Clubbing of the nails often suggests pulmonary disease or ... Hyperthyroidism also can cause brown discoloration of the nail plate. View/Print ...

www.yelp.com/biz/v-w-nail-care-san-francisco

77 reviews of V.W. Nail Care "Went for the first time last night and loved Van! ... brown bobbed hairstyle with fringe), continuously interrupted and shouted at the  ...