Part One: The connection between rugby and dementia
The Herald has uncovered a spate of dementia cases among rugby legends, raising the ugly possibility that head injuries suffered during their playing days have contributed to the disease.
• Rugby and dementia: The full story
• Head blows behind illness, say families
• Team of '64 'revered in the province'
• Your views: Should high school rugby games be 'touch' instead of tackle?
• Whose job it is to look after them?
Part Two: Medical experts speak out
Top UK neurologists and other medical experts are increasingly seeing persuasive evidence of a link between rugby and dementia.
Part Three: Future compensation
ACC says it's "quite likely" there will be treatment claims in the future for concussion-caused chronic conditions like dementia.
Part Four: Rugby boss responds
New Zealand Rugby says the issue of concussion and potential related long-term health consequences remains complicated with no definitive answers.
We associate dementia with ageing but there are times this debilitating condition hits hard and hits early.
• Impact on family