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.
The result is an unsightly bruise or black toenail. Warmer weather also increases your chances of developing a black toenail. Warm weather causes the blood vessels to dilate allowing more blood to sling forward in the toes during running. Symptoms. Generally speaking, black toenails are not painful. The tiny ruptured blood vessels only cause the unsightly appearance of the nail. However, if enough fluid builds up under the toenail the pressure can cause pain, swelling and throbbing.