New Concerns About Olive Oil | Dr. Neal Barnard | The Exam Room Podcast

Published 2024-07-31
Is olive oil unhealthy? A new study analyzes whole food, plant-based diets with and without olive oil and how they affect the heart and cardiometabolic risk factors.

Dr. Neal Barnard goes inside the study and surprising findings when he joins "The Weight Loss Champion" Chuck Carroll on The Exam Room Live.

Previous research has shown that a healthy diet that includes extra-virgin olive oil is beneficial, but the crossover trial in this study begs the question: Are you better off without it?

Topics Discussed
- Olive oil effects on cholesterol
- Heart health risk factors with and without oil
- Comparing the new findings with previous research on olive oil
- Comparing health factors of olive and other oils
- And more

Have a question for Dr. Barnard? Post it in the comments or chat!

This episode is sponsored by The Gregory J. Reiter Memorial Fund, which supports organizations like the Physicians Committee that carry on Greg’s passion and love for animals through rescue efforts, veganism, and wildlife conservation.

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Episode Time Stamps:
00:00 Introduction
2:05 Introduction to New Research
3:52 Is Olive Oil the Healthiest Oil?
5:34 Results of New Research
9:53 Does Olive Oil Help Lower Blood Pressure?
13:20 Olive Oil vs Whole Olives
14:33 Extra Virgin Olive Oil vs Regular Olive Oil
14:55 Olive Oil vs Other Vegetable Oils
16:27 Olive Oil From Different Regions of the World
17:10 Olive Oil and Diabetes / Insulin Resistance
20:26 Doesn’t the Body Still Need Fat?
22:12 Antioxidant Properties of Olive Oil
24:07 Is Olive Oil Good for Breast Cancer?
26:00 Are Cooking Sprays Okay?
27:05 Alternatives to Cooking Sprays
29:16 Are There Olives Without A Lot of Salt?
29:26 What About Nuts & Seeds?
33:11 What About Ghee?
35:11 What About Flax Seeds?
36:30 Conclusion

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All Comments (21)
  • @TaffmanGuyo
    The seed oil folk are waging a bit of a war on olive oil. I strongly advise watching Zoe's recent in depth video on olive oil. It's more believable.
  • It's really important to note that the participants in this study were OBESE (average BMI of 32) and more than half of them were on statins and blood pressure meds. Both of the vegan diets were quite high in fat, and the EVOO group were consuming 400 calories MORE per day than the no-oil group. Also the "good" HDL dropped dramatically in the no oil group. Nothing in this study suggests there is any reason to reduce intake of EVOO in people who are not overweight and do not have high cholesterol.
  • It takes approxinately 44 olives to make 1 Tablespoon of olive oil. So in this study, the olive oil eaters would have consumed the equivalent of 160 whole olives. No one would consume that many olives in a day. Just eat a few whole olives, not olive oil.
  • @akgakg2426
    I think Dr Barnard underestimates how many nuts I can stuff myself with 😅
  • @toddmisk81
    I follow a lot of podcasts and they are hit or miss. Sometimes I listen, other times I miss them. With Chuck and Dr Barnard I am always going to listen - I learn a lot, respect them entirely and find them so very easy and pleasant. Vegan for about 15 years now and always tweaking with new studies and data which are presented so well. Would love to hear more about diets and changes needed for those of us in their 70s and beyond. Nutritional needs change.
  • @Deva-no3dn
    Google the EPIC study. In Spain the participants who ate only pure EVOO (which is not mixed with seed oils) showed decreased risk of coronary heart disease as well as all cause cardiovascular mortality. They also did the study on a group of Italians post MI.
  • @pete49327
    I"m 75, vegan for over a year, no oil of any type. My only vice is peanut butter....I eat 3 tbsp daily. If I didn't spread it on my snack of Ezekiel bread slice or Wasa cracker I would blow away: I don't need to lose another ounce of weight. I eat 1 1/2 cups black beans daily, two half cup servings of oatmeal daily with walnuts and flaxseeds, the higher density plant foods. Don't know how else to add enough calories from plant food to maintain weight.
  • Doctor Barnard, Chuck, and the PCRM are a treasure. So few Doctors and organizations trying to actually help the health of people. Most healthcare providers don't know how and don't care to learn how. Whole Food Plant Based Vegan of 7 years. So thankful for all the vegans who suffer attacks to get the word out. It cured my diabetes, heart disease, and obesity.
  • Could we focus a bit on weight gain too? If nuts are mostly bad because of weight gain, I want them, but concern for people who want to gain weight seems lacking here.
  • The EPIC-OXFORD STUDY, part of the European Prospective Investigation into Cancer and Nutrition, examined the diets and health outcomes of over 65,000 participants. It found that vegetarians had a significantly lower risk of coronary heart disease compared to meat-eaters.
  • These guys sound like they haven't been outside in years.
  • IF saturated fat is so bad for us, please explain how those promoting the carnivore diet, mainly Dr Ken Berry (PHD), Dr Philip Ovadia (cardio surgeon) and Dr Jordan Peterson, among others, are having great blood work results, reversing chronic conditions like diabetes, and maintaining healthy outcomes??
  • Thats strange because I went keto and then to carnivore with lots of sat fat and my cholesterol actually went down. When I tried the vegan diet for 9 months my body was inflammation and I felt like shit. So much that i quit after 9 months. I had a steak that same day and it felt like I was reborn. As for your comment about mother nature, she didnt make any of the fruit or vegetables that we all eat today. Man created nearly all of it. Not to mention its seasonal.
  • Oh here we go…so he is saying that it’s not good. I have given up on what’s good and not good. In the end it seems everything is not good!!
  • these livestream videos are always fun! I always look forward to them in the morning when they appear - they really brighten my day - the interactions, the flurry of the live chat. It's just fun to watch the video and engage in the comments section at the same time - so much for my brain to participate in - I love it!
  • @admin8446
    The good doctor never once mentioned the effect of blood cholesterol on life expectancy or even rates of heart disease or stroke.
  • @trevorgill7195
    The sad thing is some doctors say olive oil is good, and others say it's not. Like they do with other foods.
  • @peteryu4290
    Prefer to get my medical advice from doctors who look healthy. Automatically sceptical if they look like they've just finished a course of chemotherapy. And the no animal products, no saturated fats, anti-cholesterol drive he is on looks increasingly weak. Conversely, highly processed seed oils have an abundance of research showing how fundamentally unhealthy they are for the human body.
  • @doncasto8520
    Been mostly WFPB for over 30 years and include olive oil, nuts and other fats but certainly not four tablespoons. My cholesterol has always been low (in fact the first time I had it checked they didn't believe it because the person taking it had never gotten one that low, it was 111) and I made it age 65 without any of the chronic diseases plaguing people in my age bracket. My issues revolve around work stress as a nurse and sleep issues, but I'm not changing my diet. I think if I had health issues I would be a lot more strict than I am.