A black line on your nail (medically known as ... or pinker than your normal skin tone A crack or split down the middle of ...

"Did You Know is your go-to outlet for amazing facts and mind-blowing discoveries! Secret History uncovers the forgotten, mind-blowing facts that will leave viewers questioning everything. Follow wild ...

Jean Skinner, a nail technician from Essex, has shared a photograph of a client’s nail on Facebook in order to raise awareness about the little-known symptoms of melanoma (skin cancer).