Fresh from opening a residential home for people with dementia in Plymouth, television presenter Angela Rippon is back in her home city today to help children learn more about the condition.
The youngsters will be taught how to spot the signs and the impact it can have on their family.
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Bridgwater and West Somerset is considered a Conservative safe seat - in 2010 they had a majority of over 9,000 votes.
Camborne and Redruth is a marginal seat. The Conservatives won it in 2010 by just 66 votes - a 0.16% majority.
The Liberal Democrats have held North Cornwall since they won it from the Conservatives in 1992. The seat is a Conservative target in 2015.