Yesterday we heard from BBC racing commentator Richard Pitman, who donated one of his kidneys to a stranger.

Compensation of donors for their organs is currently illegal and donors are not allowed to know who the recipient is, although recipients are allowed to write to their donor and open a dialogue through the hospital.

Does the living organ donor system work well or is there room for improvement?

Helen Rambaut, recipient of kidney from a living half-brother, and Andy Williamson, recipient of kidney from a living friend, debate the issue.

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