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Digestive Health Blog
Plain-language guidance on screening, reflux, IBS, and digestive health from Dr. Patrick Peiying Xiao, MD and the team at AGI Gastroenterology in Brooklyn, NY.
ScreeningAugust 23, 2026 · 6 min read
When Should You Get Your First Colonoscopy? Screening Guidelines Explained
Screening now starts at 45 for most adults — earlier if you have risk factors. Here is who should be screened, when, and what a colonoscopy actually involves.
Read the article →Digestive HealthAugust 23, 2026 · 5 min read
Acid Reflux vs. GERD: When Heartburn Needs a Doctor
Occasional heartburn is normal. Frequent reflux can be GERD — and left unchecked it can damage the esophagus. Here is where the line is and when to be evaluated.
Read the article →Digestive HealthAugust 23, 2026 · 6 min read
Understanding IBS: Triggers, Testing, and What Actually Helps
Irritable bowel syndrome is common, real, and manageable. Here is how it is diagnosed, what commonly triggers it, and the approaches that genuinely help.
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