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.

READ:
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?

WATCH:
Rugby Players' Association Head Rob Nichol
Michael Collins - Dementia cases 'terribly sad'
The Vent: We'll hear a lot more dementia cases

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.

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READ:
Ex-Lion adamant on dementia link
Best of mates bonded by sad decline

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.

READ:
ACC bracing for claims
Concussion leads to increased risk of suicide
Midweek fixture with Dylan Cleaver: This is not an anti-rugby story

WATCH:
Former team doctor Donald MacLeod on the long-term effects of playing rugby

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.

READ:
NZ Rugby keeping focus on today's players
Rugby boss Steve Tew on dementia: 'It is an incredibly sensitive topic'

WATCH:
Interview with NZ Rugby Union CEO on head injuries

Part Five:

We associate dementia with ageing but there are times this debilitating condition hits hard and hits early.

READ:
Frustrating lapses warned loved ones all was not well
Possible links between head-knocks and dementia 'of interest'

WATCH:
Impact on family