What Actually Causes Bloating
Distension has several distinct mechanisms, and they call for different responses. Here is what the evidence supports.
Section
Digestion
The Gut-Brain Axis: Signal, Hype, and the Gap Between
The anatomy is uncontested and the human trial evidence is thinner than the headlines. Here is where each part of the claim actually stands.
GLP-1 Drugs and the Gut: What the Trials Reported
These medicines act on the digestive tract by design. Here is what randomized trials and pharmacovigilance data recorded, and what remains uncertain.
Magnesium Forms Compared: What the Absorption Data Show
Oxide, citrate, chloride, amino acid chelate. Absorption has been compared directly across forms. The laxative effect has not, and the difference between those two statements matters.
Low FODMAP, Explained Without the Overreach
The trial evidence is stronger than most diets have. It is also evidence about a short restriction phase, not a permanent way of eating.
What a SIBO Breath Test Can and Cannot Tell You
Nearly 30 percent of control subjects test positive. Here is what the diagnostic accuracy literature says about a result that is often read as definitive.
The American Fiber Gap, in Numbers
Adequate Intake is 25 to 38 grams a day. Measured US intake sits closer to 16. What the surveys and the trials actually show.