They then become more prone to staining from nicotine and coffee, giving the tongue a brown/black 'hairy' appearance. The best way of treating it is to brush the tongue gently twice a day ...

The color of dark spots may depend on the tone of a person’s skin, but they may range from light to dark brown or gray-brown, depending on the cause. Dark spots also vary in size and can develop ...

However, a singular, hard bump on the tongue can be a cancerous growth. Sores, red or white spots, irritated spots, numbness, lumps, and growths in the mouth are common signs of cancer.

There are numerous potential causes for red spots to form on the skin ... purple, gray, or dark brown in individuals with darker skin. Pityriasis rosea is an inflammatory skin condition that ...