A sick dog's gums might appear blue, black, pale white, or bright red. Non-pink gums can signal issues from gum disease to heart failure. Learn more about what your dog’s gum co ...

In some cases, black gums may mean a person has an underlying condition. The gums are tough tissues that surround and hold the teeth in place. They can range in color from red or pink to brown or ...

Carley Millhone is a writer and editor based in the Midwest who covers health, women's wellness, and travel. Her work has appeared in publications like SELF, Greatist, and PureWow. Similar to skin ...

Gum bichromate printing, one of the oldest photographic processes still in use, offers a way of creating color prints from black and white negatives. Gum bichromate emulsion–potassium dichromate ...

To be safe, talk to your doctor if you notice any dark spots on your gums, especially if they’re also painful or change in size, shape, or color. Understanding the most common causes of black ...

You can call it black gum or sour gum or pepperidge ... and its consistent fall color,” Rea says. In autumn, some trees are dressed in gowns of red, and others show off a combo of green ...