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.
What diseases cause black spots on your skin? Quick Answer. Melanoma and seborrheic keratosis are two skin disorders that cause the appearance of dark or black spots. Melanoma is a form of skin cancer that is serious and can develop on any area of the body, as stated by the National Cancer Institute.