Why eating nuts makes you healthier, according to science

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Published 2023-04-24
In today’s short episode of ZOE Science & Nutrition, Jonathan and Sarah ask: If nuts are so full of fat, can they really be good for us?

There is no shortage of variety when it comes to the mighty (yet humble) nut and the ways we consume them. Dried, chopped, made into a butter or roasted (over an open fire, anyone?) these little guys provide the nutrients our brains and bodies need in surprisingly high quantities. From industrially farmed to indigenously hand-harvested, the story of these nuts is, well…nuts!

In today’s short episode of ZOE Science & Nutrition, Jonathan and Sarah ask: If nuts are so full of fat, can they really be good for us?

Follow ZOE on Instagram: www.instagram.com/zoe/

If you want to uncover the right foods for your body, head to joinzoe.com/podcast and get 10% off your personalised nutrition program.

Studies referenced in the episode:

Red-rumped agouti: nationalzoo.si.edu/animals/red-rumped-agouti#:~:te….

8 Health Benefits of Nuts: www.healthline.com/nutrition/8-benefits-of-nuts#TO…

Are nuts good for you?: www.bhf.org.uk/informationsupport/heart-matters-ma…

Avoiding nuts and seeds for better gut health? You shouldn’t: www.health.harvard.edu/blog/avoiding-nuts-and-seed…

Nuts and their Effect on Gut Microbiota, Gut Function and Symptoms in Adults: A Systematic Review and Meta-Analysis of Randomised Controlled Trials: pubmed.ncbi.nlm.nih.gov/32781516/

Are fatty nuts a weighty concern? A systematic review and meta-analysis and dose–response meta-regression of prospective cohorts and randomized controlled trials: pubmed.ncbi.nlm.nih.gov/32781516/

Why are scientists so intrigued by the food matrix?: www.bbc.co.uk/food/articles/food_matrix

Pecans acutely increase plasma postprandial antioxidant capacity and catechins and decrease LDL oxidation in humans: pubmed.ncbi.nlm.nih.gov/21106921/

The surprising nutritional benefits of nuts: www.wcrf-uk.org/our-blog/surprising-nutrition-bene…

Walnut consumption and health outcomes with public health relevance—a systematic review of cohort studies and randomized controlled trials published from 2017 to present: academic.oup.com/nutritionreviews/article/81/1/26/…

If Almonds Bring You Joy, Enjoy More For Fewer Calories: www.npr.org/sections/thesalt/2012/08/03/158083010/…

Are nuts bad for you? Why the calorie counts for almonds don’t add up: joinzoe.com/post/are-nuts-bad-for-you-why-the-calo…

Episode transcripts are available here: joinzoe.com/learn/category/nutrition/podcast

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All Comments (21)
  • One problem facing anyone wanting to grow Brazil nuts, is that they rely on a specific species of bee (Euglossine or orchid bees)to pollenate them - if the bees dies out, the Brazil nut dies out and if the tree dies out, so does the bee. The bees have to be large and strong to pry open the flower, and Euglossine bees exceptionally large, strong tongues toi enable them to do the job of pollenating Brazil flowers.
  • I've only recently connected with ZOE and so am finding so much trustworthy information, and I want to say that I've already gained a lot of confidence in the science and ideas you talk about. I've bought Tim's latest book and am working my way through chapter two this evening. It's difficult to sift the wheat for the chaff on YouTube but I feel at home here and will get a personalised plan as soon as I can afford it. I'm now munching on a handful of almonds
  • @AmigaCammy
    I eat way more nuts than the recommended portions, and it doesn't make me fat. Macadamias are my favourites, and thankfully they're grown here in Australia so they don't cost too much either.
  • @lilytea3
    1:33: ❤ Nuts have numerous health benefits, including improving heart health. 3:07: 🥜 Eating nuts has numerous health benefits, including reducing oxidized LDL levels, decreasing inflammation, improving insulin sensitivity and blood vessel function, and potentially preventing memory loss. 6:25: 🥜 Nuts, particularly almonds, have a unique food matrix that reduces the number of calories absorbed by the body. 9:13: 🥜 Nuts have a unique cell structure that allows for fewer calories to be absorbed when eaten. 12:06: 🥜 Consuming whole nuts versus nut butters and ground nut powders results in different calorie absorption and nutrient absorption. 15:20: 🌳 The Brazil nut tree is a key tree in the Amazon ecosystem and cannot be grown commercially like almonds. 17:34: 🌰 Nuts are a great addition to anyone's diet, providing healthy fats and polyphenols. Recap by Ta
  • @macsmiffy2197
    My problem is that I can’t stop eating them once I start.
  • @AuntyM66
    I am nuts and love nuts. I always have nuts like almonds, Brazil nuts, hazelnuts and walnuts in my cupboard.
  • @annable883
    Hello from Manchester for about the last 5-6 years I have made my own breakfast cereal from oats, all types of [chopped] nuts + seeds like Pumpkin & Sunflower + grains. In every recent blood test my blood has levels are very good. 😀
  • @ThuLe-eh1xe
    Jonathan is getting better, calmer. He does not interrupt the doctors anymore. Sarah is so pretty.
  • @nesanesa9547
    Love these specific in debth topics.Under 20 mins...perfffect
  • It's worth pointing out that Brazil nuts are the best dietary source of selenium. And, I think peanuts are not real nuts; you mentioned it at some point. Thank you for the podcast!
  • @Wee162
    Given the massive popularity of peanuts & peanut butter, it would have been so helpful to cover the differences between the benefits of peanuts, a legume, and the nuts they are referring to in the studies.
  • I love almonds, but their carbon and water footprints are the highest of all the nuts, so I will be eating walnuts (from my garden, if I get there before the squirrel) and brazil nuts.
  • Thank for your precious information. 20 years ago i started to eat 6 cracked walnuts every day ( 6 times a week) at lunch finishing with an apple too ..... here I am a 78 ...... never been hospitalized so far ( keep the finger crossed)....... all blood test result levels are ok (cholesterol and .glycemia too)... To eat walnuts every days is a very good and healthy habit, than you can add and drink 2/3 espresso coffees ( high in antioxidants and booster of physical activity) )in the from 8 to noon...... and in the afternoon an herbal tea (infusion) of Ginger (strong ally of the stomach and digestion) and Turmeric (great purifying action with extraordinary antioxidant and anti-inflammatory properties).. As I woke up in the morning I drink 2 glasses of spring water while the stomach i still empty. to clean the kidneys from the toxins ..A healthy way to start the day too ..
  • @sicasica8456
    Can you also have a program on seeds, i eat seeds regularly as well as nuts
  • The culture around the Brazil Nut story is similar to the Bunya nut here in Australia. Massive tree, related to the Monkey Puzzle tree, that produces 20kg cones with up to 100 nuts each. They’ll kill you if you’re hit when they fall. Bunya pines in suburbia are commonly fenced off for this reason. Culturally, the Bunya nut was so valuable as a food source that normally antagonistic indigenous tribes would meet to feast, trade and negotiate peace at Bunya harvest time.
  • @DemeterN
    Thank you for another great video full of information. What do you think about activating nuts to get rid of anti nutrients and make the good stuff more digestible? Most recipes call for a long soak, addition of flavors and seasonings followed by a long low temperature bake in the oven or time in a dehydrator. I think the idea is to create germination conditions to encourage them to release the phytic acid and other ani-nutrients. I've tasted some nut mixes prepared this way and they're delicious and a little softer although still a little crisp.
  • @Albopepper
    The structural matrix of nuts is a double edged sword. The reduction of absorption from whole nuts is not a win win. If people are desperate to lose weight, absorbing 30% less calories might seem desirable. But that means you don't absorb as much of the other nutrients. If the cells are completely intact, then how are you absorbing the protein and all of those wonderful minerals? Eating whole nuts means you are flushing nearly a third of your food right down the drain without getting the nutrition from it that you paid for. That makes nut butters & flours sound MORE appealing, not less.
  • @JustMe-bx8gu
    Great podcast. And just saw a documentary about Brazil nuts, fascinating!
  • @claymor8241
    I eat a few handfuls of nuts every day, especially almonds and walnuts, but I do worry about the effect on my weight, which I struggle to keep down. So at 18 mins this is very reassuring.
  • @Anita-wh4vr
    Could you make a video on oxalate? Thank you 🙏