Ich kenne das Thema aus seriösen Quellen. Zumindest im Bezug auf Cholesterin stimmt es, was in dem Artikel steht.Walter Hartenbach (* 12. Juli 1914 in Wiesbaden; † 18. Juni 2012) war ein deutscher Chirurg und Autor pseudowissenschaftlicher Bücher.
(https://de.wikipedia.org/wiki/Walter_Hartenbach)
Dietary lipids and blood cholesterol: quantitative meta-analysis of metabolic ward studies - PubMed
In typical British diets replacing 60% of saturated fats by other fats and avoiding 60% of dietary cholesterol would reduce blood total cholesterol by about 0.8 mmol/l (that is, by 10-15%), with four fifths of this reduction being in low density lipoprotein cholesterol.
Systematic review of dietary intervention trials to lower blood total cholesterol in free-living subjects - PubMed
Individualised dietary advice for reducing cholesterol concentration is modestly effective in free-living subjects. More intensive diets achieve a greater reduction in serum cholesterol concentration. Failure to comply fully with dietary recommendations is the likely explanation for this limited...
2025 Focused Update of the 2019 ESC/EAS Guidelines for the management of dyslipidaemias
This 2025 Focused Update addresses changes in recommendations for the treatment of dyslipidaemias based on new evidence published since the 2019 version, up until 31 March 2025.