Nicholas’s Substack

Nicholas’s Substack

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Salmon Savvy: The Ultimate Guide to Choosing the Cleanest, Healthiest Fish
Salmon might wear the health halo, but not all salmon are created equal. Let’s talk fish fraud and how to avoid getting catfished at the seafood counter
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Nick Norwitz MD PhD
20
Keto Defeats Malaria! But What More Can We Learn?
The ketogenic group developed high levels of blood ketones and showed complete protection against the malaria parasite. But that's not all...
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Nick Norwitz MD PhD
20
New 2025 Meta-Analysis: The Evidence Does Not Support Saturated Fat Restriction
A new meta-analysis of RCTs reports, “the evidence available from RCTs does not support saturated fat restriction for the prevention of cardiovascular…
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Nick Norwitz MD PhD
11
This Saturated Fat Can Burn Fat: A Milkshake Experiment
Saturated fats are often lumped together as one homogenous entity. They are not. Stearic acid increases mitochondrial fusion and β-oxidation in a…
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Nick Norwitz MD PhD
44
5 Quick and Easy Biohacks for 2025
From fuzzy socks to flashing lights to breathing and pooping tools—here are five low-effort, quick and easy biohacks I’ve either adopted or am adopting…
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Nick Norwitz MD PhD
20
The Healthiest Ways to Cook Eggs
I'll cover new data from a 2025 human trial about "Advanced Glycation Endproducts," teach you the healthiest ways to cook eggs, and reveal science-based…
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Nick Norwitz MD PhD
26
Why Vitamin C is the Most Underrated Nutrient for Heart Health
Vitamin C is everywhere—but when it comes to heart health, it's wildly underrated. We think we understand it. We don’t. And what I found when I dove…
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Nick Norwitz MD PhD
48
How to Drink Coffee for Heart Health (Backed by Science)
What if I told you coffee was good for your heart? Indeed, coffee isn’t just keeping you alive during Zoom meetings—it might actually be keeping you…
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Nick Norwitz MD PhD
38
Carbohydrate-Insulin Model Busted?! - Scientists Disagree
A few months ago, a randomized controlled trial claimed to contradict the Carbohydrate Insulin Model (CIM) of Obesity. However, the data support it…
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Nick Norwitz MD PhD
7
THE TOP 10! Mind-blowing Metabolism Science Breakthroughs in the Last Year
Get ready for a rapid-fire, high-yield rundown of my 10 favorite original research findings published in top journals over the past year!
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Nick Norwitz MD PhD
1
Inflammation Causes Anxiety: Root Cause and Cure
Behavioral states and emotions — including anxiety — can be the consequence of a metabolic state. New data show how inflammation can act directly on the…
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Nick Norwitz MD PhD
12

May 2025

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