Mar 17, 2026Neurodegenerative Disease

Gut Microbiome Therapies in MS, Alzheimer’s, and ALS: The Evidence

Can probiotics or L. plantarum slow MS, Alzheimer's, or ALS? Reviews find plausible biology, but human trial evidence remains thin.

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Mar 17, 2026Gut Brain Axis

Gut Microbiome Treatments for Parkinson’s: What Works?

Can probiotics or fecal transplants improve Parkinson's symptoms? RCT evidence supports constipation relief, modest motor effects, and cautious optimism.

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Mar 17, 2026Mental Health

Probiotics for Depression: Who May Respond—and Who May Not

A 34-RCT meta-analysis found a modest depression benefit from microbiome treatments, but the signal clustered in Asian, short-term trials.

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Mar 17, 2026Mental Health

Probiotics for Childhood Depression: What the Null Result Means

A 2024 meta-analysis found no benefit from probiotics for pediatric depression—but none of its trials enrolled children diagnosed with depression.

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Mar 17, 2026Nutrition

Fermented Foods and Longevity: Strong Signal, No Proof

A 50-cohort meta-analysis links yogurt, cheese, and chocolate with lower mortality. Here's why healthy-user bias still limits the claim.

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Mar 17, 2026Oral Microbiome

Gum Disease, Fusobacterium, and Colorectal Cancer Risk

Periodontitis is linked to colorectal cancer risk. Learn what Fusobacterium nucleatum, tumor immunity, and the evidence actually show.

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Mar 17, 2026Nutrition

Magnesium, Gut Bacteria, and Vitamin D: What We Know

Can magnesium raise vitamin D through gut bacteria? Examine the human trial, Ca:Mg ratio, TRPM7 genetics, and colorectal cancer relevance.

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Mar 17, 2026Nutrition

Sulfur Microbial Diet Score and Colorectal Cancer Risk

A sulfur microbial diet score tracks with colorectal cancer risk. Learn how processed meat, gut hydrogen sulfide, and early-onset trends fit—and where evidence stops.

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Mar 16, 2026Nutrition

Can Vitamin D3 Reshape Your Gut Microbiome? RCT Evidence

A 4,000-IU vitamin D3 trial found gut microbiome and metabolite-network shifts, but a baseline imbalance limits what it can prove.

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Mar 16, 2026Nutrition

Sulfur Microbial Diet Linked to Early-Onset Colon Polyps

A sulfur microbial diet was linked to early-onset colorectal adenomas in a large study, but no one has shown hydrogen sulfide caused them in humans.

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Mar 15, 2026Nutrition

Inulin for Knee OA Pain: An Interesting but Early Trial

A small randomized trial found 20 g/day of inulin modestly reduced knee osteoarthritis pain. The gut-joint theory is intriguing, but unproven.

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Mar 15, 2026Nutrition

Do Probiotics Help Type 2 Diabetes? The Responder Clues

Probiotics and synbiotics can modestly lower HbA1c in type 2 diabetes. Learn who may benefit, why formulation matters, and where the evidence fails.

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