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Only your spit will tell you when a heart attack is about to happen, scientists have discovered an amazing solution, saliva test will be done in 15 minutes

Only your spit will tell you when a heart attack is about to happen, scientists have discovered an amazing solution, saliva test will be done in 15 minutes
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Last Updated:November 25, 2025, 14:57 IST

Saliva test for heart attack detection: Scientists have invented a thing by which you can know from your spit when you are going to have a heart attack or heart failure. Scientists have claimed that this will be detected even before any symptoms appear. In this it will be seen what is the risk of heart failure.

Indication of heart attack in spit.

Saliva test for heart attack detection: Science is creating new dimensions every day. Many such things have been invented in the medical field which are revolutionary in themselves. Now, to detect the possibility of heart attack or heart failure, scientists have invented such a test, thanks to which your spit will determine how likely you are to have a heart attack or heart failure. The even better thing is that you do not need to go anywhere for this saliva test, rather you can do this test at your own home with the help of a simple kit. The price of this kit will also be very low. In recent times, when there was Corona crisis all over the world, Corona was detected in people through this saliva test. Currently, possible heart attack is detected through tests like blood test, ECG, Holter, MRI. For this you have to go to the lab.

Biomarker found in saliva

According to TOI news, currently possible heart failure is estimated through blood test. For this a peptide called NT-proBNP is measured. Actually, when there is pressure or stress on the heart, this peptide starts releasing. For this, a blood sample is taken. Most of the tests are still done through blood, but scientists have now started to understand that saliva or spit or saliva is a biological fluid which is present in our mouth all the time and it can prove to be an easy and accessible option in testing. A systematic review published in the PubMed Central journal in 2021 was conducted in which data from 15 studies were included. In this review, 18 different saliva-based biomarkers associated with heart failure were identified. The special thing is that among these markers, natriuretic peptides, inflammatory cytokines and proteins related to tissue remodeling, many such biomarkers were found which were found in much higher quantities in the saliva of heart failure patients as compared to healthy individuals. This means that this biomarker can predict the possibility of heart failure.

100% accuracy assurance

Now this research is being taken forward. In this direction, the research being done by Australia’s Griffith University and Queensland University of Technology has brought out promising results. Biotechnologist Professor Chamindi Punyadira is leading this study. In a landmark study published in 2012, Punyadeera’s team demonstrated that NT-proBNP could be reliably measured in saliva. In their research, it was found that the sensitivity to distinguish between heart failure patients and healthy individuals was 82 percent and the specificity was 100 percent. Another group then used multi-protein profiling and discovered a set of proteins in saliva that showed clear differences between heart failure patients and healthy individuals. Of the nearly 800 proteins analyzed, four proteins were selected that detected the early stages of heart failure with about 83 percent sensitivity.

Identification of three types of biomarkers

In 2019, the systolic heart failure diagnostic analysis done by Punyadira’s team was also published in a journal. In this study they identified a panel of three key proteins, including S100-A7 and cathelicidin. These could identify patients with about 81.6% diagnostic accuracy. According to the study, the protein galectin-3 found in saliva is associated with the processes of inflammation and fibrosis. This protein can play an important role in the prediction of heart failure. According to this research published in PubMed Central, when this biomarker was identified in more than 100 patients, most of them were admitted to the hospital due to heart related problems or had incidents of heart failure.

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Tags: amazingattackdetection of heart diseasediscoveredearly heart failure detectionGriffith University heart researchhappenhealthhealth newsHealth tipsheartlifestyleminutesnon-invasive heart health screeningsalivasaliva test for heart attacksaliva test for heart failuresalivary biomarkers heart failureScientistsSolutionspitTest
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