Australian Cattle Dog: The dog who holds the Guinness record for longest life span was an Australian Cattle Dog named Bluey, who lived to be 29 years old. Thatâs astounding. I donât know of any ACDs who have approached that record, but I do know this breed can live a good 12 to 15 years, sometimes longer.
Diabetes Mellitus is a major risk factor for Peripheral Arterial Disease. A leg turning black and cold may be a sign of severe arterial insufficiency resulting on gangrene. Also, another condition called Venous Insufficiency may cause the leg to turn dark red or bluish when the person is in a sitting or standing position. Gangrene.
Black tongue, also known as melanoglossia, is a condition in which the surface of the tongue turns dark or black. It may also become rough and develop a hairy appearance, in which case the condition may be known as black hairy tongue.here are a number of causes for black tongue. It can be caused by an overgrowth of fungi or bacteria in the mouth, in which case drugs may be needed to limit the growth, and it has been linked with a number of medications, including antibiotics and drugs that contain bismuth.