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The Journal

Insights, science,
real stories.

Essays to help you understand your gut — and transform your health.

All essays

From the notebook.

Why Chronic Acidity May Be a Gut Microbiome Issue, Not a Stomach Problem

Digestive Conditions

Why Chronic Acidity May Be a Gut Microbiome Issue, Not a Stomach Problem

Why chronic acidity is often a valve problem rather than an acid-excess problem, how the gut microbiome may influence that valve, what long-term acid-suppression does to the gut,…

Dr. Nikita Dinger · 13 min read

Best Probiotics for Bloating: Why Strain Selection Depends on Root Cause

Probiotics & Supplements

Best Probiotics for Bloating: Why Strain Selection Depends on Root Cause

Why “the best probiotic for bloating” is a question with four different answers, how to work out which kind of bloating you have, and how to run a…

Dr. Nikita Dinger · 12 min read

Gut Health and Fertility: What the Microbiome Means for Conception and Pregnancy

Gut & Body Connections

Gut Health and Fertility: What the Microbiome Means for Conception and Pregnancy

How the gut is connected to the reproductive tract, what the evidence actually says about the microbiome and IVF outcomes, what pregnancy does and does not do to…

Dr. Nikita Dinger · 12 min read

Your Gut and Your Sleep: The Circadian Rhythm–Microbiome Link

Gut & Body Connections

Your Gut and Your Sleep: The Circadian Rhythm–Microbiome Link

By the end of this article, you will know why your gut bacteria keep their own 24-hour clock, how a mismatched dinner hour throws off both clocks, and…

Dr. Nikita Dinger · 11 min read

The Gut–Liver Axis: Why Your Microbiome Matters for Fatty Liver Disease

Gut & Body Connections

The Gut–Liver Axis: Why Your Microbiome Matters for Fatty Liver Disease

Your routine check-up at 39 comes back with two words you did not ask for: “fatty liver”. You do not drink. You weigh a bit more than you…

Dr. Nikita Dinger · 11 min read

Gut Health and Joint Pain: The Inflammation Connection You’re Missing

Gut & Body Connections

Gut Health and Joint Pain: The Inflammation Connection You’re Missing

You can no longer sit cross-legged through a long evening without your knees sending you a message. Climbing the two flights to your flat takes a moment longer…

Dr. Nikita Dinger · 11 min read

The Gut–Heart Connection: How Microbes Influence Cholesterol and Cardiovascular Risk

Gut & Body Connections

The Gut–Heart Connection: How Microbes Influence Cholesterol and Cardiovascular Risk

The cardiology appointment follows a script. Blood pressure measured, cholesterol panel ordered, advice about smoking, salt, and walking delivered. The prescription lands, and you leave with the sense…

Dr. Nikita Dinger · 10 min read

Can Your Gut Microbiome Affect Your Weight? The Science Beyond Calories

Gut & Body Connections

Can Your Gut Microbiome Affect Your Weight? The Science Beyond Calories

Two friends order the same thali. One feels satisfied and puts on weight steadily no matter how little she eats. The other eats more, stays lean, and insists…

Dr. Nikita Dinger · 9 min read

Gut Health and Skin: The Microbiome–Acne–Eczema Connection

Gut & Body Connections

Gut Health and Skin: The Microbiome–Acne–Eczema Connection

You have tried the expensive face washes, the dermatologist’s creams, the niacinamide serums. You cut dairy on a cousin’s advice and bought a new moisturiser every time a…

Dr. Nikita Dinger · 12 min read

The Gut–Hormone Connection: How Bacteria Influence Oestrogen, Thyroid, and Insulin

Gut & Body Connections

The Gut–Hormone Connection: How Bacteria Influence Oestrogen, Thyroid, and Insulin

Take your thyroid pill first thing in the morning, then chai thirty minutes later, that is the classic Indian routine. Some people find their TSH stays off target…

Dr. Nikita Dinger · 11 min read

Enough reading.
Decode your gut.