Molecular clock modeling suggests that the biological onset of Barrett esophagus occurs more than 20 years before the ...

Why it’s dangerous: Esophageal cancer has a low survival rate due to late detection, with many cases diagnosed only after ...

Key early signal: Barrett’s esophagus is confirmed as the starting point for all esophageal adenocarcinoma cases, offering a critical focus for early detection efforts. Biological triggers: Gene ...

Castle Biosciences, Inc. , a company improving health through innovative tests that guide patient care, today announced that its AdvanceAD-Tx test has been selected as the winner of the "Genomics ...

DEAR DR. ROACH: I recently read in your column that you test your patient’s magnesium levels when they have been on long-term ...

Participants who underwent cTIF procedure also experienced less dysphagia ...

I recently read in your column that you test your patient's magnesium levels when they have been on long-term proton-pump ...

I recently read in your column that you test your patient’s magnesium levels when they have been on longterm proton-pump inhibitors (PPIs). When I asked my doctor to include this in his order for ...

People who are on PPIs and most diuretics are at a high risk for low magnesium. It’s true that most magnesium is in the cells ...

Delivered Q1 2026 revenue of $83.7 millionQ1 2026 total test reports for our core revenue drivers (DecisionDx®-Melanoma, TissueCypher®) increased 36% over Q1 2025Raising ...