In some ways bowel cancer is the miner’s canary signalling issues associated with the ageing if the population. In the late 2020s it will be the on-set of dementia and Alzheimer’s. Today it’s the increasing lethality of bowel cancer after 50. Read my column on the demographics of bowel cancer in today’s Oz.

http://www.theaustralian.com.au/business/opinion/bernard-salt-demographer/where-the-sourge-of-bowel-cancer-is-worst-in-australia/news-story/79f3a459a5542979a2ae5ac31d03683a