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What are the healthiest foods to eat for longevity, metabolic health, and disease prevention? In this video, I break down the 15 healthiest foods I eat every week as a doctor, based on nearly a decade working in emergency medicine and the strongest available research on nutrition, ageing, cardiovascular disease, and long-term health.
After years treating heart attacks, strokes, type 2 diabetes, and preventable chronic disease, I’ve seen first hand how diet shapes how we age — not through supplements or superfoods, but through boring, repeatable, single-ingredient foods eaten consistently over decades. This video explains why these foods matter, how they work in the body, and how they reduce long-term risk.
I’m Dr Alex, a UK Emergency Medicine doctor, and this channel focuses on evidence-based longevity, metabolic health, and disease prevention — the advice most doctors don’t have time to explain in clinic. If your goal is to live longer, stay independent, and avoid the diseases I see every day in A&E, this video will give you a practical framework that actually sticks.
I also reveal one of the most harmful everyday foods that quietly makes up a huge proportion of modern diets — and why its cumulative effects matter more than people realise.
TIMESTAMPS
00:00 – The real foundations of longevity and healthy ageing
01:30 – Food #15: Water (hydration, kidneys, ageing)
04:10 – Food #14: Dark chocolate (polyphenols, blood pressure)
05:52 – Food #13: Eggs (protein, brain health, ageing muscle)
07:48 – Food #12: Cottage cheese (protein density, metabolic health)
09:34 – Food #11: Pecans & walnuts (omega-3s, cardiovascular risk)
11:30 – Food #10: Pumpkin & sunflower seeds (minerals, gut health)
13:19 – Food #9: Beetroot (nitric oxide, blood pressure, mitochondria)
15:30 – Food #8: Kefir (gut microbiome, inflammation)
17:49 – Food #7: Kale (vascular health, antioxidants)
19:24 – Food #6: Salmon (omega-3s, brain and heart protection)
21:10 – Food #5: Blueberries (polyphenols, cognitive ageing)
23:13 – Food #4: Black coffee (mortality, liver and brain health)
24:59 – Food #3: Mushrooms (immune function, vitamin D)
26:36 – Food #2: Sauerkraut (fermented foods, gut health)
28:47 – Food #1: Extra virgin olive oil (Mediterranean diet, longevity)
30:41 – The worst everyday food most people eat
32:21 – Final thoughts: how to eat for long-term health
If you found this helpful, please subscribe for regular videos on longevity, metabolic health, and disease prevention, and leave a comment with the topic you’d like covered next. Thanks!
#Longevity #HealthyEating #DrAlex #DoctorAlex #MetabolicHealth #HealthFoods
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Have you done a video on saturated fat as it relates to insulin resistance and/ or plaque in arteries?
Dark Chocolate makes the list….and coffee…but not Green Tea!!
Excellent explanations along with the food list. Is canned salmon okay to use in place of fillets? Hard to get oily fish in my corner if the world beyond canned.
What about medium chain triglycerides?
Thank you Dr. Alex, I took away so much positive information from your video. Keep up the great work.
Thanks for a update any help with meals would be great
I eat Kefir yoghurt should I change to the milk?
Sauerkraut “unpasteurized”
Thanks for your honesty and insights to keep us healthy. One thing i wanted to confirm: does eggs cause high cholesterol?
Great video.. I wonder if you can address the topic of herbicides on kale, blueberries etc. How do you balance the benefits of the food versus the long term chemical load if we eat a lot of these food. Thks
Thank you
Real Live Sauerkraut is hard to find in the shops it is mostly pasteurised. However, it is very easy and cheap to make I add carrot and fennel seeds it tastes amazing and last for weeks in the fridge once fermented. Mackerel is a good substitute for salmon and in many respects better and cheaper especially when it comes to farmed salmon.
Can you do a video on how to choose these items in the supermarket as the fake or misleading items are plenty
As grapefruit is extremely good for us wouldn’t it be better to have a daily one instead of a blood pressure pill 😊
bom demais esse video
What is kasiya?????
So useful! My only challenge is that I cannot eat fermented foods because they're high in histamine. That knocks out several of the foods you mentioned.
Chia seeds
Sourdough spikes your blood sugar
I know for a fact i dont drink enough water apart from in my 7 cups of coffee a day 😢
Who eats white bread anymore? There are lots of good whole grain and seed breads out there. Delicious! White bread sticks to the top of your mouth! And it’s tasteless. Just sayin’. I guess sourdough is good for you if it’s the real thing but it’s hard to find.
Also what about dried apricots? High in potassium! And watermelon and cantaloupe?
I have read that you shouldn’t eat blueberries with dairy. Is this true?
If your looking at your phone while walking it is not a very healthy thing to do especially while walking in nature as the walk is not just about moving your limbs it’s about the whole experience smelling the fresh air appreciating nature i tell my daughter this all the time
Do peanuts count as healthy nuts?
Thank you so much.
Can you please do a video explaining “glycation”. As I’ve heard that glycation is something to do with the aging process, the reason why this has a context regarding food is because I’ve also been told that if you overcook food it can add to the glycation process?
Uni kon desh er
Can I ask if sparkling water is ok?
Hello Doc, from India. Can you pls do a list of food for Indians/South Asian considering you have these ethnic backgrounds in the UK, as well as many of your subs may be from India/South Asia. Thank you for your kindness and generosity.
Love your channel and I’m a converter. However my nan died 88 , all she ate was white bread , potatoes and meat . no fruits , . My dad eats all wrong another white bread with every thing , biscuits chocolate , he is 90 .
What should I do if I'm allergic to eggs, seafood, and deathly allergic to nuts? Just focus on the rest of the list?
interesting i love it
This is great info but how much of each for health reasons and weight management
Is there a substitute for Kefir makes me want to vomit 😂
A beetroot a day keeps the Dr away! And I love my nut butters. I would add canned sardines in spring water to that list. Chicken will keep the protein allowance up as would Greek yoghurt so add that to the cottage cheese (low fat or not I'm not sure). P.S. Organic cold pressed Rapeseed oil has a better Omega fat profile as well as half the satfat than Olive (which has more polyphenols and antioxidants) so combine over a salad or soak the wholemeal toast with them.
Excellent podcast, as always Dr Alex. Thank you !
Dude, no beans! Beans and lentils surely make the list? 🤔
That's my new diet worked out: Walnuts and dark chocolate!
I have to smile when people tell me that nuts can go off. My problem is making them last until tomorrow!
Thank you!❤
Avocadoes?