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What is carpal tunnel syndrome?

Carpal tunnel syndrome is a condition in which the median nerve is squeezed where it passes through the wrist. The median nerve controls some of the muscles that move the thumb; it also carries information back to the brain about sensations in your thumb and fingers.

Carpal tunnel syndrome

When the nerve is squeezed it can cause pain or aching, tingling or numbness in the affected hand. Women are more likely than men to develop carpal tunnel syndrome and although the condition affects people of all ages, it's more common in middle aged and elderly people.

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