The potential for saliva tests to aid in the diagnosis of various types of cancer is an active area of research and holds promise for the future. Saliva, as a non-invasive and easily accessible biofluid, has attracted attention for its potential use in detecting biomarkers associated with cancer. Several studies have explored the use of saliva-based tests for cancer diagnosis, focusing on identifying specific biomolecules, such as DNA, RNA, proteins, and metabolites, that can indicate the presence of cancer or its specific types. The idea is that cancer cells release certain molecules into the bloodstream, and these may find their way into saliva. Advancements in technologies like liquid biopsy and molecular diagnostics have contributed to the development of more sensitive and specific saliva tests. Liquid biopsy involves analyzing components such as circulating tumor DNA (ctDNA) or exosomes in bodily fluids, including saliva, to detect genetic mutations or other markers associated w...
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