Type 2 diabetes: How one mistake led a man to lose a foot

On average in 2014-15, 185 operations were carried out every week in the UK to amputate the limbs of people with complications linked to diabetes.

One particular symptom of the condition is loss of sensation in the feet.

Also wounds in lower limbs don't heal up properly because clogged arteries restrict the flow of blood to the injury.

That can lead to gangrene which can be fatal.

For more information watch Panorama, The Hidden Killer, on Monday at 20:30 BST - catch up on BBC iPlayer

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