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10 Subtle Signs of Dangerous Health Problems Your Feet Can Reveal

Clubbing

clubbing foot

It could be: Lung cancer or heart disease

Clubbing, which means that your fingers and toes become rounder and wider in appearance at the tips, is a common sign of lung cancer or heart disease. This clubbing effect on the toes and fingers is due to a reduced amount of oxygen in the blood that causes the fingers/toes to develop abnormalities.

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