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Video library· Doctor Alex Audio: British English

The Most Underrated Longevity Food (You Need To Eat More...)

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About this video

Creator description · original textText language: British English

https://www.dralexnewsletter.com Join the community by signing up to my daily newsletter! Practical health advice, straight to your inbox, every morning. There’s one everyday food with more evidence behind it than almost anything in nutrition — and most people barely eat it.... After 10 years working in A&E, I’ve seen what happens when heart disease, cognitive decline, and chronic inflammation are allowed to build quietly in the background for decades. What’s striking is how often the trajectory could have been changed — not with extreme diets or expensive supplements, but with simple, consistent habits that most people overlook. In this video, I break down one of the most powerful, evidence-backed foods for long-term health — and explain exactly why it works. We’ll go through the physiology behind omega-3 fatty acids, how they affect your heart rhythm, your brain structure, your inflammation levels, and even the rate at which your cells age. I’ll also walk you through the landmark studies, the real-world data, and what this looks like over a 20–30 year period. What you’ll learn: -Why omega-3 fats (EPA & DHA) are critical for every cell in your body -The landmark trial showing a 45% reduction in sudden cardiac death -How diet directly affects heart rhythm and arrhythmia risk -The role of omega-3s in reducing chronic inflammation (hs-CRP explained) -Why brain structure and cognitive function depend on DHA -The link between omega-3 intake and reduced Alzheimer’s risk -How these fats may slow biological ageing (telomeres explained) -What the omega-3 index is — and why it matters -Exactly which foods deliver the highest benefit (and how much you need) TIMESTAMPS 00:00 The most underrated longevity food 00:49 What these fats actually do 02:13 The heart evidence (major trials explained) 05:28 Inflammation and hs-CRP 07:06 Which foods to eat (and how much) 08:18 The brain benefits 09:52 Ageing at the cellular level 11:09 What this looks like over a lifetime 13:24 The bottom line REFERENCES The omega-3 index as a risk factor for coronary heart disease mortality https://pubmed.ncbi.nlm.nih.gov/18541601/ Dietary supplementation with n-3 polyunsaturated fatty acids and vitamin E after myocardial infarction: results of the GISSI-Prevenzione trial https://pubmed.ncbi.nlm.nih.gov/10465168/ Effects of eicosapentaenoic acid on major coronary events in hypercholesterolaemic patients (JELIS): a randomised open-label, blinded endpoint analysis https://pubmed.ncbi.nlm.nih.gov/17398308/ Consumption of fish and n-3 fatty acids and risk of incident Alzheimer disease https://pubmed.ncbi.nlm.nih.gov/12873849/ Association of marine omega-3 fatty acid levels with telomeric aging in patients with coronary heart disease https://pubmed.ncbi.nlm.nih.gov/20085953/ Cardiovascular risk reduction with icosapent ethyl for hypertriglyceridemia (REDUCE-IT) https://pubmed.ncbi.nlm.nih.gov/30415628/ Disclaimer: This content is for educational purposes only and is not medical advice. Always speak to your GP or healthcare professional before making significant changes to your diet or health routine. #omega3 #oilyfish #dralex #doctoralex #longevity #hearthealth #nutrition

Doctor Alex · 15 min · Source published: 2026-05-05

Added to Harbor: 10/23/2026

Original on YouTube ↗

Automatically categorized source. Creator statements are not an independent evidence review or personal medical guidance.

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