All pieces

All 24 pieces, by topic. Scroll with the arrows or swipe sideways.

Omega-6 and saturated fat

7 pieces

25 August 2025

Saturated fat, cholesterol and cardiovascular disease: Was Ancel Keys a fraudster or a pioneer?

We were wrongly made afraid of butter. It is not responsible for cardiovascular disease (CVD) and actually protects against disease. The idea that saturated fat and LDL cholesterol cause cardiovascular disease comes from anti-fat and anti-cholesterol propaganda, which all started with one man: Ancel Keys. At least, that is what Lars van den Nieuwenhoff believes. And he is not the only one. For several decades now, a campaign has been run against the work of Keys.

19 May 2025

Are omega-6 fatty acids pro-inflammatory? No. (part 2; my literature list)

Are omega-6 fatty acids and vegetable oils pro-inflammatory?

18 July 2022

Are omega-6 fatty acids pro-inflammatory? (Part 1)

I hear and see it so often: omega-6 fatty acids are pro-inflammatory. How strong is the evidence from Team Plant-Malignant?

6 April 2022

Vegetable oils or vegetable-malignant oils? (part 3)

What is the effect of deep frying with vegetable oils? Read all about vegetable oils, aldehydes and our health here.

No cover23 March 2022

Plant-based or plant-malignant oils? (Part 2)

There is a strong correlation between the rise in vegetable oil consumption, lifespan and the biggest pandemic of all: obesity.

23 February 2022

Plant-based or plant-malignant oils? (Part 1)

Vegetable oils are unhealthy. Especially refined vegetable oils that are high in omega-6 fatty acids. How strong is the evidence?

9 February 2022

Fakenieuwsvoordiëtisten: No association between saturated fat and diseases of affluence

No association between saturated fat and diseases of affluence, or a nutrition scientist who is not critical? I dived into the study to find the answer.

Grains, vegetables and water

3 pieces

7 April 2024

The link between whole grains, lectins and inflammation

"Why I avoid whole grains as much as possible," wrote Joep Rovers. But is that really true? I looked into it.

16 January 2024

The link between sprayed food and Parkinson's

Do pesticides cause Parkinson's disease? And should you therefore choose organic vegetables and fruit? I looked into it.

8 December 2022

“Our tap water is unhealthy!”

Is our tap water unhealthy? I dived into the science behind our tap water.

Intermittent fasting and breakfast

2 pieces

12 August 2022

The Dr. Ludidi Fasting Method: a science review

For years, all kinds of claims have been made about intermittent fasting (IF). How strong is the scientific support for fasting?

16 May 2022

Ingelepeld: "Breakfast is the most important meal of the day" (myth 2)

Breakfast is not the most important meal of the day! The idea that breakfast is the most important meal of the day is a myth.

Protein and carbohydrates

2 pieces

22 January 2023

De eiwitleugen: is diabetes not a sugar disease but a fat-protein disease? (science review; Part 2)

How strong is the scientific support for the book De Eiwitleugen (The Protein Lie)? Is diabetes a fat-protein disease?

8 August 2022

The protein lie: is diabetes not a sugar disease but a fat-protein disease? (science review; part 1)

Is diabetes not a sugar disease but a fat-protein disease? I dive into the science of the book "De Eiwitleugen" by Janneke vermeulen.

Pre-workout

2 pieces

10 December 2025

The science behind the scoop (pre-workout)

The science behind pre-workouts. Do they really work? In this blog I take a dive into the pre-workouts from Upfront, Kosso Nutrition, KRB and more

28 January 2022

Upfront on nutrition, also on science? (Upfront responds)

Upfront presented a pre-workout with active ingredients supported by scientific literature. How strong is the evidence?

Nutrition science

8 pieces

18 September 2023

What is sufficient (scientific) evidence?

Saying that something is not enough evidence is easy. But what is enough (scientific) evidence? I'll tell you.

25 June 2022

What are absolute and relative risks?

Absolute and relative risks say something about the chance you have of a health problem.

7 May 2022

What is significance?

(Statistical) significance stands for the probability that the result found was found on the basis of chance.

18 April 2022

What is a hypothesis?

A hypothesis is a statement that contains an expectation about a difference between groups or an effect between factors.

30 March 2022

What is the Pyramid of Evidence Strength? (Part 2)

The Pyramid of Evidence Strength includes all types of scientific research, ranked by the strength of evidence of the results.

15 March 2022

Ingelepeld: why only little (not?) of what we have been told about nutrition is right (Myth 1)

That dietary guidelines apply to everyone is a myth, according to Tim Spector. How strong is the evidence?

9 March 2022

What Is the Evidence Pyramid? (Part 1)

The Evidence Pyramid includes all types of scientific research, ranked by the strength of the evidence of the results.

16 February 2022

What is nutrition science?

What is (not) nutrition science? everything about nutrition science in this 'What is' series.