Mar 26, 2026Nutrition

Herbal Tea for Blood Sugar: What RCTs Actually Show

A 2025 review finds non-green herbal teas may improve blood sugar in type 2 diabetes. Here's what the trials show—and what they cannot prove yet.

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Mar 25, 2026Nutrition

Exercise Plus Vitamin D in Type 2 Diabetes: Synergy?

Does vitamin D make exercise work better for type 2 diabetes? A new meta-analysis finds narrower gains for HbA1c, glucose, cholesterol, and triglycerides.

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Mar 22, 2026Metabolic Health

Type 2 Diabetes Prevention: Why Knowing Risk Isn’t Enough

Type 2 diabetes prevention depends on sustained habits, but new reviews ask whether health literacy can close the gap between risk awareness and action.

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Mar 18, 2026Nutrition

Potatoes, Rice, and Why Glycemic Index Misleads

Do potatoes spike blood sugar more than rice? Mixed-meal trials challenge the glycemic-index rule, while low-GI dietary patterns still improve HbA1c.

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Mar 18, 2026Nutrition

Ketogenic Diet for Cancer: What Clinical Trials Actually Show

Can keto help treat cancer? Review the randomized trials, safety concerns, and why no MCT dose for therapeutic ketosis is proven in cancer patients.

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Mar 18, 2026Nutrition

Can Any Diet Reverse Prediabetes? What the Best Review Found

Which diets and supplements actually reverse prediabetes? An umbrella review finds weak evidence, a modest vitamin D signal, and major research gaps.

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Mar 15, 2026Nutrition

Anthocyanins and Heart Health: Lipid Gains, Glycemic Limits

Do anthocyanin-rich foods improve cholesterol or blood sugar? Review 47 RCTs, a T2DM bilberry trial, and gut-microbiome claims.

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Feb 24, 2026Sleep

The 8.3% Productivity Myth: What the Science Actually Shows

Someone online claimed fixing your sleep and blood glucose adds 30 free workdays per year. We reviewed the research. The 8.3% figure is completely made up.

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Feb 24, 2026Mental Health

Bryan Johnson's '30 Productive Days' Claim Has No Evidence

Bryan Johnson claims brain stability optimization unlocks 30 extra productive days per year. The 8.3% figure sounds precise. The evidence provided? Irrelevant.

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