Samira Wiley hands

Last night, while I was editing photos, I noticed actress Samira Wiley had a dark vertical line on one of her thumbnails.

Most people have flat or slightly raised vertical lines or ridges on our fingernails and toenails. Long vertical lines that run the length of the nail are usually not a health concern.

But dark brown or black vertical lines or bands on nails should be evaluated by a doctor.

Fingernails are made of a tough protective protein called Keratin, which is the same protein found in our hair. If your nails are soft and brittle and break easily, your hair will probably be dry and brittle and prone to breakage.

Most vertical lines on fingernails are harmless and become more pronounced with age. Vertical lines or ridges can also be caused by trauma, injury to the nail, or certain medications.

The dark brown vertical line on Wiley's thumbnail is usually no cause for concern. But it could be problematic if it is not caused by a nail injury or trauma.

The medical term for dark lines or ridges on nails is longitudinal melanonychia or melanonychia striata.

In the absence of injury or trauma to the nail, brown vertical lines on the nail could be a sign of melanoma or fatal skin cancer.

Dark vertical lines on nails are more common among black people. If you have dark vertical lines/ridges or horizontal ridges (Beau's lines), you should consult with your doctor or a dermatologist (skin specialist) who can better determine if the lines are harmless or cancerous, or caused by malnutrition, dehydration, or other health problems.

If you are a nail tech and you see dark vertical lines or horizontal ridges on your clients' nails, you should advise them to see a doctor right away.

This has been your Medical Minute.

More Info On the Web

7 Fingernail Problems Not to Ignore - Mayo Clinic

What Your Fingernails Say About Your Health - WebMD

Nail ridges - Health Grades

Fingernail Ridges - MDHealth

  • Kirenee

    Really???

  • Bobby Brown of The Blog

    Do we drag lesbians who are homewreckers here? Bc if so...Samira you are a homewrecker. That white woman you stole was happily married and you came in and took her (sarcasm)

  • Lovezoe

    I guess a post on my bae winning a SAG for Moonlight or Hidden Figures winning would be too pro black for you.

  • AllAroundTheWorldSameSong

    Nails always been thin and brittle.....hair strong as hell.

    All I got for this post.

    I am with @lovzoe05:disqus ..... can we get a post on SAG?

  • Anu_Dawn

    Really???

  • Tammie Reed

    I am a licensed nail tech(not active anymore) and had a nail salon many years ago.It was so hard to do women's nails that had dark nail beds or if they had dark colored toenails usually from having the trait of diabetes. You have to be very careful when doing a service for them. Most times I would just turn them away if it was a severe case and would refer them to a podiatrist.

  • nicelyput32

    As well as SAG winners Denzel Washington and Viola Davis. Chile.?

  • Lovezoe

    Yes. My bae is important though lol

  • nicelyput32

    Loved his acceptance speech and that white tux??

  • SaltineCrackers

    Be careful what you ask for around here.

  • nicelyput32

    Is Uzo a lesbian too?

  • Oliver Brady

    My brown nail lines are usually from digging in my booty. I get itchy down there sometimes. Is what it is?

  • Lovezoe

    Chile... Whew.

  • Lovezoe

    I can't deal with you today ????

  • SaltineCrackers

    *checks nails for cancer*...

  • nicelyput32

    Say what nah????

  • iWasteTime

    Good Morning Roses.
    Happy Monday

  • iWasteTime

    lolol! At least you KNOW the cause !

  • Libra80sBaby

    Chile....I guess

  • Bobby Brown of The Blog

    I dont think so

  • SandrasNewFave

    Minus a kidnapping, I always point the finger at the vow violator. You can't take what's not available.

    *i know you were being sarcastic. ?

  • AllAroundTheWorldSameSong
  • Bobby Brown of The Blog

    Heller!

  • AllAroundTheWorldSameSong

    I don't want to deal with herm today!! CTHU

  • AllAroundTheWorldSameSong

    I am aware and am still gonna ask, as the alternative (with all that is happening) is UGH!!

  • Unita Lucinda “Lucy” Freebush

    Dingle berry ?

  • Oliver Brady
  • Unita Lucinda “Lucy” Freebush

    ? not the sniff test.

    I haven't seen this since I volunteered to read to the preschoolers.

  • reddfoxxy16

    So am I...& You're telling the truth, you have 2 be VERY careful!!!!...Many of my previous clients, were trying 2 lighten their nail/toenails with BLEACH!!!! I forgot what pill they had on the market, some years ago, that you could buy over the counter, that supposedly "cured" this condition...(melanonychia).. I think it started with an L? Do you remember?
    Sidebar* My license is no longer active either, but are you still able to purchase supplies out of licensed beauty supply stores, or regular beauty supply stores?

  • Unita Lucinda “Lucy” Freebush

    Is that Kendra? Hank should have set her straight on the dingle berries. ?

  • Oliver Brady

    ??

  • Oliver Brady

    I have no clue who it is?

  • CaliVirgo

    New post

  • jeniefrumdabloc™

    ?????

  • SaltineCrackers

    Chile get ready lol

  • Justlooknout

    also she may way to see a manicurist.

  • Tammie Reed

    I can't remember that nail product that was on the market, it has been YEARS since I did nails but by me being a fashion & beauty blogger now, a lot of brands send me products to try and review. I work with OPI, Essie, M.A.C.,YSL Beauty, NARS etc...

  • Bam Bam Li

    And here I was thinking we had it because of our melanin. I've always noticed that the darker your skin usually the darker your nails. Still think it's melanin based ?

  • KB

    That is Hayden Panettiere.....ROFLMAO! I'm gagging looking at this picture ?.

  • reddfoxxy16

    I thought your avi/name looked familiar!! Big ups! & Much SUCCESS 2 U!!

  • Oliver Brady

    I knew it was one of those famous white gals, just didn't know her name.lol

  • Yardgirl

    The nails on my hand are clear and healthy, but I have darker nails on a couple of my toes. I bought NonyX and it is working very well and I already see a great improvement. I am giving it until open toe season to see if it clears it all up.

  • Sara

    Petty

  • NYTimes#1Bestseller

    Extremely. Sandra stays throwing shade. Lol

  • NYTimes#1Bestseller

    Why'd they kill her off of oitnb?

  • NYTimes#1Bestseller

    Dead???????????????

  • rodt

    She was the only character with dignity left; have you seen the writing crew for the show? Plus she was getting way more popular than Piper, who has failed to develop anything

  • rodt

    she does that at her other site

  • rodt

    naw

  • rodt

    Petty 9000

  • Angela Winbush

    I have the same lines...was seen by my dermatologist and I'm fine. Most people with a Vitamin D deficiency like myself will notice these lines on their nails...go to your doctor for a check-up...very common condition to get fixed by taking Rx Vitamin D.

  • lilred1

    A petty response to a petty post... I love it?

  • http://olskoolblackflix.com Prof. Taco Juice

    I'm the opposite. Break a long nail down to the white meat and it's normal in one week. Before I went natural, it took months for me to grow hair.

  • Jahnée Gill Mr.Eddie Murphy

    Thank you for this information. I'm having the same issue with a few of my toes well.

  • Yardgirl

    Welcome love! I found it at Walmart and it was cheaper than online. I took a before of my toes (yeech) so that I can get a visual and I do see it improving. If you try it let me know how it works. Good luck.

  • Wolfperm

    Give us a medical minute on Drumpfs miniature hands.

  • Tlowe89

    It's also a sign of low iron.

  • http://www.missjhaneuniverse.com Monday

    I will order it online. No tims to go to walmart. Thanks for the infom open toe season is around the corner. Gotta be ready

  • http://www.missjhaneuniverse.com Monday

    Will double my dose. How many i.u do we need??

  • http://www.missjhaneuniverse.com Monday

    I do have low iron in my system. I need to step my iron game up

  • Yardgirl

    Welcome!

  • interestingconcept1

    I have ridges on my nails and it's a sign of my respiratory problem, specifically asthma.

  • stanley

    Black people don't get skin cancer

  • Zeta Phi Beta 1920

    @sandrarose
    sandrarose.com

    Thanks!

  • Depths Of My Soul!

    My daddy called them money lines, seemed fitting at the moment but I kinda already knew it was attributed to health

  • Depths Of My Soul!

    GREEN Beans, potatoes tomato's?

    Nah, I heard Greens are a god source of iron if you do not want to consume too much or any red meat

  • Depths Of My Soul!

    I've mostly noticed it on darker skin people as well as yellow eye's

  • Depths Of My Soul!

    ??

  • ZRoJoTheLezBeyond

    Lamisil. I took the pills many years ago when I had toe nail fungus. It worked but one of the main side effects were kidney damage. Thankfully, my kidneys are fine.

  • BD

    Or trauma I had something fall on my toe and its never gone away. Working with your hands that can get smashed you also get them a lot they go away quicker than toe nails though.

  • BD

    Or trauma I had something fall on my toe and its never gone away. Working with your hands that can get smashed you also get them a lot they go away quicker than toe nails though.

  • leapyearpisces

    LMAO! GOD what is wrong with your mind? LOLOL, and who up voted your foolishness 13 times? LOL!

  • reddfoxxy16

    OMG!! THANK GOD YOU'RE OK!!! & YES!! LAMISIL! THAT'S IT! I COULDN'T THINK OF THE NAME OF IT...

  • Oliver Brady

    My friends? I have friends that upvote me?

  • Michelle

    Why would she not purchase some Ambi Coco Butter Soap & Nandinola to clear up those nasty scars on her hands? Lastly, could she not get a manicure or acrylics? I mean, damn......How are you an actress looking like ya went a round with Ike Turner?...Geez honey....

  • Angela Winbush

    It's a prescription Vitamin D...so it can be easily absorbed in the body...but you have to go to your doctor so your blood work can be done to get your proper dosage...I take mine only once a week...it's really simple & you'll feel more energetic too!

  • http://www.missjhaneuniverse.com Monday

    Thank you so much

  • http://www.missjhaneuniverse.com Monday

    Thanks I need as much help as I can. Maybe that is why my thyroid glands were acting up. I never felt so tired this past winter. And so forgetful of little things. And I gain so much weight by only drinking water.... I need my bikini body by next month

  • http://www.missjhaneuniverse.com Monday

    Thank you so much!! I didn't wrote that ?

  • WackaBlocka

    Daisy from blood sweat and heels found out she had cancer because someone took a pic and her eyes were yellow in them ... we should at least get symptoms checked out so its not too late before they get treated ... her passing broke my heart RIP Daisy

  • http://www.missjhaneuniverse.com Monday

    Thank you so much for the advice ?