Heart attacks and strokes, kidney failure, nerve damage, blindness and vascular problems leading to amputation are among the long-term complications when the disease isn't well controlled.

WSJ: New Strategies for Treating Diabetes

Millions of adult diabetics who need insulin don't take it because they hate shots, putting themselves at risk of complications ranging from nerve damage to kidney failure.

FORBES: Waiting to Inhale

Scientists have discovered that, contrary to long-standing dogma, nerve cells in the spinal cord do retain an intrinsic ability to regenerate despite their normal failure to do so.

FORBES: Magazine Article

There is also a crippling loss of nerve cells in brain areas involved in cognitive functions which leads to the main behavioural symptom, failure of the memory.

ECONOMIST: Disposing of dementia