What causes a corn?


Question:
i think i have a corn on my hand. it's on my finger and when i write the pen presses up against where the corn is. it is also painful at times, does this sound like a corn?

Answers:
yes...pressure from the pen causes the corn. Probably the way you hold your pen causes that to happen
A corn is a localized thickening of the skin due to pressure.
...and 'Carnation' corn caps get rid of them for you!
The small bones of the toes and feet are broader and more lumpy near to the small joints of the toes. If there is extra rubbing (friction) or pressure on the skin overlying a small rough area of bone, this will cause the skin to thicken. This may lead to corns or calluses forming.

The common causes of rubbing and pressure are tight or poor fitting shoes (which tend to cause corns on the top of the toes and side of the little toe) and too much walking or running (which tends to cause callus on the sole of the feet.) Corns and calluses are more likely to develop in people who have very prominent bony toes, thin skin, or deformities of the toes or feet which cause the skin to rub more easily inside shoes.
It is generally due to chronic friction. The body reacts to this by increasing the skin thickness as a form or protection.
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