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Cancer and other life-threatening illnesses could be diagnosed by a simple saliva test within the next decade, according to experts.Researchers say their research has the potential to revolutionise how heart disease, diabetes and cancers are diagnosed, meaning the conditions are discovered and treated earlier.
They say saliva samples could help save time and money for patients and doctors, as it means more people could access preliminary medical examinations by just sending their spit.
Cancer and other life-threatening illnesses could be diagnosed by a simple saliva test within the next decade
‘Instead of having to visit the doctor, patients will be able to swab the inside of their mouth with a cotton bud and send it away for analysis.
‘If the test shows signs of illness, the patient will be called in to a doctor.’
Using saliva samples could help save time and money for patients and doctors, as it means more people could access preliminary medical examinations by just sending their spit.
Professor Klinge said: ‘We are interested in public health and preventative action and we hope to get a broader spectrum of people getting diagnosed earlier.
‘There are many people who are health conscious but there is quite a big group who for many reasons, including their socio-economic status, do not have the same level of access to healthcare and sometimes people have problem getting to a medical unit.
Researchers say the discovery has the potential to revolutionise how heart disease, diabetes and cancers are diagnosed meaning the conditions are discovered and treated earlier
‘We will be able to reach parts of the population that we haven’t reached before, and that will increase our chances of detecting illnesses at an early stage.’
They believe the technique could be common practice among healthcare services within the next five to 10 years, by which time the technology will be more accurate in picking out different conditions that have similar characteristics.
Professor Klinge said: ‘Today, we can use a saliva sample to determine whether a patient is suffering from an inflammatory disease, but we can’t say if the disease resides within the stomach or joints.
Illnesses that cause inflammation, like diabetes, heart disease and cancer, leave tell-tale traces in spit
‘It will be a matter of five to 10 years before we reach that level of accuracy.’
Illnesses that cause inflammation, like diabetes, heart disease and cancer, leave tell-tale traces in spit.
However, natural processes in the body make it difficult to judge what stage a disease may be at.
Professor Klinge said: ‘We have for a long time been looking to identify inflammation markers in saliva, blood and other body fluids.
‘We are trying to identify inflammation’s fingerprint in the body, but the body tries to counteract the activities that are going on so you can’t always be sure of the magnitude of an illness because the body is working to minimise the presence of the markers.
‘So it’s not a simple, straight-forward case of the worse the disease the larger the sample.’
As for future studies, Professor Klinge added: ‘We hope to find components in the saliva that will show when patients are in the process of developing a cardiovascular disease.’
The news comes just after it was revealed that a simple test that predicts the risk of developing breast or prostate cancer could soon be available at GPs’ surgeries.
The £5 test, which will use saliva or blood, would help detect people who are genetically prone the diseases.
The hope is that high-risk patients could then be monitored to catch any tumours in their early stages, slashing the number of people dying from the disease.
Experts have hailed the breakthrough as the 'single biggest leap forward' in finding the genetic causes of prostate cancer.
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