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flag Medicare will now cover FDA-approved multicancer blood/saliva tests, boosting approval efforts despite cost and accuracy challenges.

flag A new federal spending bill mandates Medicare to cover FDA-approved multicancer detection tests using saliva or blood, creating a major incentive for companies to seek regulatory approval. flag While saliva shows promise for non-invasive detection of cancers and viruses due to its microbial content and ease of collection, most current tests remain unapproved, costly—$100 to $200 without insurance—and inconsistent due to natural variations from diet, smoking, and individual biology. flag Some dental offices use at-home tests for monitoring infections, especially in underserved areas, but widespread adoption depends on overcoming technical, regulatory, and affordability hurdles.

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