Black palms

The color of the palm of a normal person should be a bloody red in the flesh, and the luster of the blood. The palm feels warm, moist, numb, and painful. If the palm is too cold, hot, humid, dry, or changes in color due to non-climatic factors, attention should be drawn. Palms are black and common in kidney disease. The middle of the palm is dark brown, which is common in gastrointestinal diseases. Black or dark purple appears from the wrist to the small fish, often a signal that rheumatism has reached the waist. At this time, the same color will appear on the inside of the ankle.

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