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Clive George

On 29/06/2015 15:15, wrote:
As I said, before smoke alarms became common there were about 1000 deaths a year. The
main change since then has been widespread use of smoke alarms. Its
reasonable to
conclude that with no smoke alarm the risk is nearer 1000/yr than the
current 200 odd.

I don't believe that the main change has been the widespread use of
smoke alarms.

People stopping smoking will have a big impact. Continued improvement of
electrics will be another. Central heating another.