Sinopse
Diet Science is a fun 7 to 8 minute weekly program with insights and straight scoops on today's health and diet issues from Dee McCaffrey, CDC. Dee is an Organic Chemist who lost 100 pounds, nearly half her body weight, and has kept it off for 20 years by staying away from processed foods. She's the author of The Science of Skinny, released by Perseus June 2012, and The Science of Skinny Cookbook, which was released December 2014.
Episódios
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Study Shows Mediterranean Diet May Reduce Your Risk of Covid-19
08/09/2024 Duração: 10minA new review study involving over 55,000 people showed that those who chose specific foods while following a Mediterranean Style Diet were less likely to contract Covid-19. Listen in this week as Dee discusses the findings of the study and which foods were the most effective at warding off the virus.References: Halim, C., Howen, M., Fitrisubroto, A. a. N. B., Pratama, T., Harahap, I. R., Ganesh, L. J., & Siahaan, A. M. P. (2024). Relevance of Mediterranean diet as a nutritional strategy in diminishing COVID-19 risk: A systematic review. PLoS ONE, 19(8), e0301564. https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0301564
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Does the Vegan Diet Outshine the Mediterranean Diet for Weight Loss and Cardiovascular Health?
01/09/2024 Duração: 09minA recent study suggests that a low-fat vegan diet is more effective than a Mediterranean diet for reducing inflammation and promoting weight loss. Listen in this week as Dee discusses the methodology and results of the study, and what they mean for your health.References: Kahleova, H., Znayenko-Miller, T., Motoa, G., Eng, E., Prevost, A., Uribarri, J., Holubkov, R., & Barnard, N. D. (2024). Dietary advanced glycation end-products and their associations with body weight on a Mediterranean diet and low-fat vegan diet: A randomized, cross-over trial. Frontiers in Nutrition, 11. https://doi.org/10.3389/fnut.2024.1426642
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The AGE Conundrum: Are Your Favorite Foods Harming You?
26/08/2024 Duração: 10minThe AGE Conundrum: Are Your Favorite Foods Harming You?Advanced Glycation End Products (AGEs) are harmful compounds lurking in everyday foods that have been linked to inflammation, Alzheimer's, diabetes, heart disease, and kidney disease. Listen in this week as Dee explains what foods AGE's are found in and how you can avoid their harmful effects.References: Uribarri, J., Woodruff, S., Goodman, S., Cai, W., Chen, X., Pyzik, R., Yong, A., Striker, G. E., & Vlassara, H. (2010). Advanced glycation end products in foods and a practical guide to their reduction in the diet. Journal of the American Dietetic Association, 110(6), 911–16.e12. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3704564/
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Recent Study Sparks New Concerns that Erythritol Increases Risk for Heart Attacks and Strokes
18/08/2024 Duração: 12minErythritol is a common sweetener used in baked goods, beverages, gum, and candy, and is often found in keto-friendly and other reduced-sugar products. However, recent research suggests that consuming even typical amounts of erythritol may elevate the risk of blood clots and cardiovascular events, such as heart attacks and strokes. Listen in this week as Dee explores the findings of this study and why erythritol might not be the safest option for reducing sugar intake.References: Cleveland Clinic. (2024, August 8). Cleveland Clinic study adds to increasing evidence that sugar substitute erythritol raises cardiovascular risk. https://newsroom.clevelandclinic.org/2024/08/08/cleveland-clinic-study-adds-to-increasing-evidence-that-sugar-substitute-erythritol-raises-cardiovascular-riskWitkowski, M., Wilcox, J., Province, V., Wang, Z., Nemet, I., Tang, W. W., & Hazen, S. L. (2024). Ingestion of the non-nutritive sweetener erythritol, but not glucose, enhances platelet reactivity and thrombosis potential in healt
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Heart Health & EVOO: Why Less May Be More
12/08/2024 Duração: 12minA new study published in the Journal of the American Heart Association explores the effects of extra virgin olive oil (EVOO) on cholesterol and heart health. Researchers found that both high and low usage of EVOO in the diet were linked to reductions in LDL-C, the "bad" cholesterol associated with heart disease. But during a 4-week carryover period, an interesting twist was revealed. Listen in this week as Dee discusses the results of the study, it's pros and cons, and how it could impact your health.Reference: Krenek, A. M., Mathews, A., Guo, J., Courville, A. B., Pepine, C. J., Chung, S. T., & Aggarwal, M. (2024). Recipe for heart health: A randomized crossover trial on cardiometabolic effects of extra virgin olive oil within a whole‐food plant‐based vegan diet. Journal of the American Heart Association, 13(15), e035034. https://www.ahajournals.org/doi/10.1161/JAHA.124.035034
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Monch Monch: An Innovative Biohack to Reduce the Impact of Sugar Consumption
04/08/2024 Duração: 11minMonch Monch is a revolutionary, tasteless powder that you mix with water before meals to block sugar absorption and minimize insulin and glucose spikes from refined carbs. But does it really work? Listen in this week as Dee explains what Monch Monch is, how it impacts your health, and whether it's right for you.Learn more about Monch Monch: https://www.monchmonch.shop/pages/science
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Gut Check: The Surprising Health Impacts of How Often You Poop
29/07/2024 Duração: 11minA new study reveals how the frequency of your bowel movements could be an important indicator of your long-term health. Infrequent poopers showed signs of decreased kidney function, while those who went more often than average exhibited signs of impaired liver function. Listen in this week as Dee explains why the type and frequency of your bowel movements can affect your health well beyond the gut.References:Johnson-Martínez, J. P., Diener, C., Levine, A. E., Wilmanski, T., Suskind, D. L., Ralevski, A., Hadlock, J., Magis, A. T., Hood, L., Rappaport, N., & Gibbons, S. M. (2024). Aberrant bowel movement frequencies coincide with increased microbe-derived blood metabolites associated with reduced organ function. Cell Reports Medicine, 5(7), 101646. https://doi.org/10.1016/j.xcrm.2024.101646
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S. Boulardii Hailed as a "Super Probiotic"
21/07/2024 Duração: 08minSaccharomyces boulardii is a strain of probiotic yeast that was first isolated from the superfoods mangosteen and lychee fruit in 1923 by the French scientist Henri Boulard (hence the name). Today it is considered a "super probiotic" due to its unique properties and wide range of health benefits that set it apart from many other probiotic strains. Listen in this week as Dee discusses the key reasons why S. boulardii holds this distinction.Link to Saccharomyces boulardii supplement: https://amzn.to/4cVqkVuReferences:Kaźmierczak-Siedlecka, K., Ruszkowski, J., Fic, M., Folwarski, M., & Makarewicz, W. (2020). Saccharomyces boulardii CNCM I-745: A non-bacterial microorganism used as probiotic agent in supporting treatment of selected diseases. Current Microbiology, 77(9), 1987–1996. https://link.springer.com/article/10.1007/s00284-020-02053-9
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Gut Health Revolution: Apple Cider Vinegar's Role in Weight Loss
11/07/2024 Duração: 10minStudies show that obese individuals have more Firmicutes and fewer Bacteroidetes in their gut bacteria compared to those who are not overweight. Research suggests that consuming apple cider vinegar (ACV) can help improve this ratio. Listen in this week as Dee explains ACV's impact on the gut microbiome and its role in weight loss.Link to Dee's Apple Cider Vinaigrette recipe: https://processedfreeamerica.org/dees-olive-oil-apple-cider-vinaigrette/References:Bouderbala, H., Dib, W., Kheroua, O., Saidi, D., & Kaddouri, H. (2019). Modulation of the intestinal microbiota by apple cider vinegar in rats subjected to cafeteria diet. Archives of Cardiovascular Diseases Supplements,11(3), e373-e374.https://doi.org/10.1016/j.acvdsp.2019.05.102Davis C. D. (2016). The gut microbiome and its role in obesity. Nutrition Today, 51(4), 167-174. https://doi.org/10.1097/NT.0000000000000167
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A Newly Discovered Dietary Hazard: TMAO
08/07/2024 Duração: 10minTrimethylamine-N-oxide (TMAO) is a harmful compound produced by gut bacteria. Elevated TMAO levels can significantly influence the development of heart disease, type 2 diabetes, chronic kidney disease, cancer, and fatty liver disease. Listen in this week as Dee explains which foods increase the production of TMAO in the gut, and how you can optimize the health of your gut.References:Li, X. S., Obeid, S., Klingenberg, R., Gencer, B., Mach, F., Räber, L., Windecker, S., Rodondi, N., Nanchen, D., Muller, O., Miranda, M. X., Matter, C. M., Wu, Y., Li, L., Wang, Z., Alamri, H. S., Gogonea, V., Chung, Y. M., Tang, W. H., Hazen, S. L., … Lüscher, T. F. (2017). Gut microbiota-dependent trimethylamine N-oxide in acute coronary syndromes: a prognostic marker for incident cardiovascular events beyond traditional risk factors. European Heart Journal, 38(11), 814–824. https://doi.org/10.1093/eurheartj/ehw582Shan, Z., Sun, T., Huang, H., Chen, S., Chen, L., Luo, C., Yang, W., Yang, X., Yao, P., Cheng, J., Hu, F. B., &
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Exploring the Planetary Health Diet
01/07/2024 Duração: 13minThe term "planetary health" refers to the natural systems that are essential for the health and survival of the human population. A commission of leading scientists from 16 countries have developed a "flexitarian" type diet designed to optimize human health and environmental sustainability on Earth. Listen in this week as Dee explains the parameters of the Planetary Health Diet and how it can improve your health.Reference:Healthy diets from sustainable food systems: Summary report of the EAT-Lancet Commission. (n.d.). https://eatforum.org/content/uploads/2019/07/EAT-Lancet_Commission_Summary_Report.pdf
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Heart Matters: Unraveling Diet, Genes, and Cardiovascular Health
23/06/2024 Duração: 07minA study examining ancient mummies from various countries revealed that one-third of them had atherosclerosis (plaques in the arteries), a precursor to heart disease, regardless of following Paleo-type or Mediterranean-type diets. This ratio mirrors what we see in modern populations. Listen in this week as Dee uncovers how we can harness the power of diet to overcome our genetic predispositions and lead healthier, heart-friendly lives.Reference:Thompson, R. C., Allam, A. H., Lombardi, G. P., Wann, L. S., Sutherland, M. L., Sutherland, J. D., Soliman, M. A.-T., Frohlich, B., Mininberg, D. T., Monge, J. M., Vallodolid, C. M., Cox, S. L., Abd el-Maksoud, G., Badr, I., Miyamoto, M. I., el-Halim Nur el-din, A., Narula, J., Finch, C. E., & Thomas, G. S. (2013). Atherosclerosis across 4000 years of human history: The horus study of four ancient populations. The Lancet, 381(9873), 1211–1222. https://doi.org/10.1016/s0140-6736(13)60598-x
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New Study Explains Why Alzheimer's is Being Called "Type 3 Diabetes"
16/06/2024 Duração: 06minA new study shows that a high-fat diet suppresses the expression of a protein called Jak3, which causes a cascade of inflammation that starts in the intestine, moves through the liver and on to the brain, ultimately causing Alzheimer's-like symptoms. Listen in this week as Dee discusses the results of this study and what it means for your health.References:Kumar, N., Mishra, J., Morales, R., & Kumar, P. (2024). Kinases in Gut-Liver-brain communication and neuroinflammation. Journal of Biological Chemistry, 300(3), 106750. https://www.jbc.org/article/S0021-9258(24)01223-7/fulltext
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Natural Ways to Boost GLP-1 Without the Drugs
10/06/2024 Duração: 10minGlucagon-like peptide-1 (GLP-1) is a hormone naturally produced in the intestines during meals. It helps regulate blood sugar and weight by increasing insulin, slowing stomach emptying, and promoting fullness. Medications like Ozempic® and Wegovy® mimic the effects of GLP-1 but can be expensive and have unpleasant side effects. Listen in this week as Dee explores research on foods and probiotics that naturally boost GLP-1, offering similar benefits without the high costs and side effects.References:De Silva, A., & Bloom, S. R. (2012). Gut hormones and appetite control: A focus on PYY and GLP-1 as therapeutic targets in obesity. Gut and Liver, 6(1), 10–20. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3286726/Hira, T., Trakooncharoenvit, A., Taguchi, H.;,Hara, H. (2021). Improvement of glucose tolerance by food factors having glucagon-like peptide-1 releasing activity. International Journal of Molecular Sciences, 22(12), 6623. https://www.mdpi.com/1422-0067/22/12/6623Perraudeau, F., McMurdie, P., Bullard, J
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Comprehensive New Study Presents Strongest Evidence Yet Linking Processed Foods with Chronic Disease
03/06/2024 Duração: 09minA study published in the British medical journal BMJ pooled data from 14 studies involving nearly 10 million people to look at connections between consumption of ultra-processed foods and various health outcomes. Listen in this week as Dee discusses the findings of this massive study and what it means for your health.Reference:Lane, M. M., Gamage, E., Du, S., Ashtree, D. N., McGuinness, A. J., Gauci, S., Baker, P., Lawrence, M., Rebholz, C. M., Srour, B., Touvier, M., Jacka, F. N., O’Neil, A., Segasby, T., & Marx, W. (2024). Ultra-processed food exposure and adverse health outcomes: Umbrella review of epidemiological meta-analyses. BMJ,384, e077310. https://www.bmj.com/content/384/bmj-2023-077310
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Gugulipid (Guggul): A Natural Way to Lower Cholesterol
27/05/2024 Duração: 11minGugulipid, also known as gum guggul, is an extract of the resin from a West Indian tree that has documented cholesterol lowering properties. Listen in this week as Dee discusses the specific compounds in gugulipid that decrease elevated cholesterol and triglycerides, and the proper way to take this effective supplement.References: Urizar, N. L., & Moore, D. D. (2003). Guguglipd: A natural cholesterol-lowering agent. Annual Review of Nutrition, 23, 303–313. https://doi.org/10.1146/annurev.nutr.23.011702.073102 Link to Guggul Supplement (2 capsules per day provides 75 mg guggulsterone*): https://amzn.to/3UWZDI0
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Plants Over Meat: New Study Reveals What Our Ancestors Really Ate
20/05/2024 Duração: 10minIn a recent study, researchers found that the diet of some ancient hunter-gatherers primarily ate plant foods, including beans and grains, with only a small percentage of meat in their diet. This new understanding contrasts with the meat-centric modern Paleo diet. Listen in this week as Dee discusses the findings of the study, and what it means for your health.References:Moubtahij, Z., McCormack, J., Bourgon, N., Trost, M., Sinet-Mathiot, V., Fuller, B. T., Smith, G. M., Temming, H., Steinbrenner, S., Hublin, J.-J., Bouzouggar, A., Turner, E., & Jaouen, K. (2024). Isotopic evidence of high reliance on plant food among later Stone age hunter-gatherers at Taforalt, Morocco. Nature Ecology & Evolution, 8(5), 1035–1045. https://doi.org/10.1038/s41559-024-02382-z
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High on HDL: Elevating Good Cholesterol Naturally
13/05/2024 Duração: 16minHDL is an acronym for "high-density lipoproteins"--compounds made in the body that are considered the "good guys" in the cholesterol game. They help to keep the "bad cholesterol" from building up and forming plaque in the arteries. Having high levels of HDL reduces the risk for both heart disease and stroke. Listen in this week as Dee elevates your understanding of cholesterol and explores natural strategies to boost your HDL levels.References:Stadler, J. T., & Marsche, G. (2021). Dietary strategies to improve cardiovascular health: Focus on increasing high-density lipoprotein functionality. Frontiers in Nutrition, 8. https://www.frontiersin.org/articles/10.3389/fnut.2021.761170/full
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Citrus Bergamot: a Cardiovascular Super Hero
06/05/2024 Duração: 09minBergamot, a citrus fruit hailing from the groves of southern Italy’s Calabria region, has been shown in clinical trials to lower bad cholesterol and triglycerides, and increase good cholesterol. Listen in in this week as Dee discusses the results of clinical studies using bergamot and the virtues of this super fruit.Reference:Lamiquiz-Moneo, I., Giné-González, J., Alisente, S., Bea, A. M., Pérez-Calahorra, S., Marco-Benedí, V., … Mateo-Gallego, R. (2020). Effect of bergamot on lipid profile in humans: A systematic review. Critical Reviews in Food Science and Nutrition, 60(18), 3133–3143. https://doi.org/10.1080/10408398.2019.1677554Link to purchase Bergamot: https://amzn.to/3wwO9mf
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Study Shows Soybean Oil Consumption Linked to Diabetes and Negative Impact on Brain Health
29/04/2024 Duração: 12minIn 2015 a research team at UC Riverside found that soybean oil consumption induces obesity, diabetes, insulin resistance, and fatty liver in mice. Now, a new study by the same team shows that oil could also affect genes in the brain related to conditions like autism, Alzheimer's disease, anxiety, and depression. Listen in this week as Dee discusses the details of this study and how the changes in microbiome caused by soybean oil consumption are linked to negative iimpact on brain function.Reference:Martinez-Lomeli, J., Deol, P., Deans, J. R., Jiang, T., Ruegger, P., Borneman, J., & Sladek, F. M. (2023). Impact of various high fat diets on gene expression and the microbiome across the mouse intestines. Scientific Reports, 13(1). https://doi.org/10.1038/s41598-023-49555-7