Recent research (in Germany) discovered
that dogs could sniff out lung cancer from breath samples of sufferers. The
four dogs in the study learned to get it right 71% of the time, too high to be
mere coincidence.
Can a dog smell cancer before doctors can diagnose it?
It’s believed that cancers produce
volatile chemicals that dogs can be trained to smell, which could have dramatic
implications for early diagnosis of the disease.
Trailblazing UK charity, Medical Detection Dogs not only train dogs to sniff cancer, but also is responsible for training ‘Medical Alert Dogs’ which live with people who have health problems.
They have taught 22 dogs to recognise
when a diabetic’s blood sugar gets low and alert them to stop hypoglycaemia,
aid narcoleptics by working out when an attack of sleep paralysis is about to
start - and may soon be able to teach dogs to tell when someone with a severe
allergy is about to have an allergic episode.
This all relates to the same idea -
that dogs can recognise the minutest changes in smell when certain processes
happen in the human body.
‘We are only at the start of working out everything that dogs can
detect,’ says Dr Lisa Guest. ‘It would seem that almost any medical event has an odour change. The
clever thing is that the dogs are able to work out what the norm is, and when
it changes.’
While only a small group of people
(mostly diabetics) have benefited from the services of the medical alert dogs
so far, it is the charity’s cancer research work that could really make a
difference to millions...
So far, bladder cancer has been the focal point for testing,
but the charity is about to launch a new trial into prostate cancer to broaden
their research.
For more
information, visit www.medicaldetectiondogs.org.uk
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