Feet turning black in the elderly can be caused by several factors, including poor circulation, which can lead to conditions like peripheral artery disease. Additionally, skin conditions, venous insufficiency, or Diabetes-related complications such as neuropathy and ulcers may contribute to discoloration. In some cases, bruising or the accumulation of blood due to injury or trauma can also result in darkened skin. It's important for individuals experiencing this symptom to seek medical evaluation for appropriate diagnosis and treatment.
Fingers and feet turn blue in the elderly because these individuals have poor circulation. The blue color is the effect of the area becoming cold.
Rusting
Mold
Gravitation.
Leopard gecko feet turn black due to a natural process called shedding, where old skin is replaced with new skin. The black coloration is a result of the shedding process and is temporary.
100,000 feet.
Brake dust!
Bugs are wiping their asses on them
Tulsi leaves turn black due to oxidation, which occurs when the leaves are exposed to air for a prolonged period of time. This process causes the leaves to lose their green color and turn black.
Too much iron in the water
Alkaptonuria is an inherited condition that causes urine to turn black when exposed to air.
It is the high temp and the high return Pressure inside the injector that causes the fuel To turn black