On Wed, 06 Aug 2014 09:26:39 +0100, Mrcheerful wrote:

http://www.nwemail.co.uk/news/elderl...fter-smashing-
into-a-wall-in-south-cumbria-named-1.1152936?cache=cachehiguain%252frk%
253d0%252frs%253dotuo.36vy2tp%253f

Cannot say from a single report.
Someone ought to collect some statistics and perhaps do a controlled
double-blind trial.