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Why Do Plant-Based Diets Help Rheumatoid Arthritis?

Published on Apr 27, 2015 109,036 views

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DESCRIPTION: Rheumatoid arthritis may be triggered by autoimmune friendly fire against a urinary tract infection bacteria called Proteus mirabilis, which could help explain why sufferers randomized to a plant-based diet experience such remarkable benefit.

I have to admit I had never even heard of Proteus mirabilis. That’s why I love doing work—I learn as much as you do!

I explored another unconventional theory as to why plant-based diets are so successful in treating inflammatory arthritis in Potassium and Autoimmune Disease (

There’s another foodborne bacteria implicated in human disease, the EXPEC in chicken leading to urinary tract infections—another game-changer: Avoiding Chicken To Avoid Bladder Infections (

This reminds me of the Neu5Gc story (The Inflammatory Meat Molecule Neu5Gc, that mystery pig brain disease (Eating Outside Our Kingdom and the crazy tick bite meat allergies thing (Alpha Gal and the Lone Star Tick

Lots more videos coming up on the role our gut flora play in health and disease—stay tuned!

Have a question for Dr. Greger about this video? Leave it in the comment section at and he'll try to answer it!
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  • Lauren Saunders
    Lauren Saunders 4 years ago I went vegan after months of research into how I could relieve my RA symptoms and it has had a profound effect on my pain levels. I talk a lot about it on my channel. Thank you for making this video!!
  • Kocham Latanie
    Kocham Latanie 2 years ago I only have reduced animal protein in my diet about 3 years ago. After a year of changes in diet, I felt better. 3 months later without mtx my erythrocyte sedimentation rate decreased to 1 mm / h. Even healthy people do not have such results, the doctor said.
  • Paddison Program
    Paddison Program 4 years ago Absolutely brilliant work as always - thanks once again Dr Gregor. I will share with my RA audience
  • Alienadin
    Alienadin 1 year ago blah, blah, blah....
  • endir gandi
    endir gandi 1 year ago A complete step-by-step plan to reversing arthritis in just 3 weeks. As you’ve just read, it won’t just knock out arthritis…it might even save your life!
  • nellievance
    nellievance 2 years ago Omg this makes sense! I used to get chronic UTI and then accidentally discovered my vegan diet relieved my joint pain but had no idea they were connected. Amazing!
  • Mrs. Roper
    Mrs. Roper 3 weeks ago i still get joint pain depending on the weather. thunderstorms and humidity wreck me.
  • J Lewis
    J Lewis 1 year ago Lari ssa ?
  • Lari ssa
    Lari ssa 1 year ago nellievance My joint pain disappeared too but I still have problems with my UTI. I just don't know what it is. I'm eating a vegan diet and drinking 2.5 to 3 liters a day I just want it to go away
  • Ernie Blenkinsop
    Ernie Blenkinsop 4 years ago It would not be surprising if this general mechanism where behind many other afflictions.
  • John Zaskoda
    John Zaskoda 1 month ago Most diseases are a result of poor gut/liver health.
  • Jorgie
    Jorgie 3 years ago REQUEST: CHINESE subtitles. It could really help out some people i know who have no knowledge of English whatsoever. Some of Dr. Greger's vids have chinese subs which is really great. I hope more will come in the future. My gratitude goes out to the people who invest their time to do this.
  • Ziba Dj
    Ziba Dj 4 years ago Amazing!! Makes sense from what I saw so far from people who are suffering, they all had long standing problems with urinary tract infection.
  • Brighde Reed
    Brighde Reed 2 years ago This was very timely. I am trying to encourage my friend to give WFPB a try. She is suffering from very painful RA! :-) THANK YOU FOR ALL THE WORLD YOU DO!!!!!
  • Mrs. Roper
    Mrs. Roper 3 weeks ago the only thing that helps my arthritis is getting non-humid weather.
  • blueberry11051
    blueberry11051 2 years ago Great video. Thank you so much Dr. Greger.
  • dogfight156
    dogfight156 4 years ago great vid!
  • cenginator
    cenginator 3 years ago plants are cool. dead animals are also cool. no problem right here.
  • heliotropicsquirrel
    heliotropicsquirrel 1 year ago Incredibly insightful!
  • Derek Miao
    Derek Miao 1 year ago Thank you for sharing this information; I just wish I knew it sooner.
  • Jerson Jim
    Jerson Jim 7 months ago This is just awesome. I'm glad i found this. Thank you so much.
  • susan brandt
    susan brandt 2 years ago (edited) I am always fascinated by everything this doctor explains! I eat a WFPB diet now but does this type of eating also help with osteoarthritis?
  • atripto cambodia
    atripto cambodia 4 years ago Until now!
  • Janak Chakraborty
    Janak Chakraborty 2 years ago Shall try this for a couple of months, and then switch over permanently.
  • Naomi May - Prepping For Life
    Naomi May - Prepping For Life 1 month ago OMG! I have RA and I used to get a whole lot of urinary tract infections. I am plant based now and am not getting the infections anymore.
  • Bernie Burns
    Bernie Burns 1 year ago What if you’re vegan and still suffer from arthritis? :(
  • Mrs. Roper
    Mrs. Roper 3 weeks ago (edited) I have spondylosis in my neck and congenital fused vertebrae and scoliosis. I eat only whole foods. Eating Raw did not help. The only ease from pain is good weather. Thunder storms and humidity wreck me. It's the only time i suffer with pain. Other than that, I'm fine. EDIT: Also used CBD oil. Did nothing. Turmeric did nothing. If I want ease from pain during thunder storms and humidity, I have to take advil. Nothing natural or healthy works.
  • Cookedaburra d
    Cookedaburra d 1 month ago @ong valcot What a load of absolute horse shit. You literally said the dumbest thing I've read this entire week.
  • ong valcot
    ong valcot 1 month ago Try to eat vegetable that are grown at night. Sun light kills nutrients in vegetables.
  • Shana Berlysabchi
    Shana Berlysabchi 8 months ago I know two persons who have an autoimmune disease, not the RA, but a lupus, and they said that stopping to eat gluten help them a lot. They told me that it's the same for all the inflammatory diseases. You can try. Hold on ❤️
  • Cookedaburra d
    Cookedaburra d 9 months ago Depends what kind of arthritis you have. Rheumatoid Arthritis is an auto immune disease. Meaning that the immune system attacks the synovial fluid surrounding the joints. The trigger for autoimmune disease is often gut related. So adopting an anti inflammatory diet can treat and also send RA into remission. Osteo Arthritis and Specific arthritis are due to wear and tear whether it be from age or strenuous physical activity and injuries. The difference is the mechanisms involved. An anti inflammatory diet may reduce the pain for Osteo Arthritis though.
  • Carmen Torres
    Carmen Torres 11 months ago After I was diagnosed with severe crippling RA 14 years ago, I became a gluten-free vegan. And I do not have any severe deformity of my joints, no pain, no stiffness or achiness...I feel great. I wake up alert and ready to go through the day, I work hard, I exercise 3 times a week, I do yoga 4 times a week and I walk every day up to 3 miles. I am very active and enjoying my days, one day at a time. Every 3 months I go into the raw diet for a month (no cooked food) to cleanse and detoxify my body of all impurities from food...I then feel renewed again and even better than I did before I went raw. If anyone is diagnosed with RA, please try to go vegan for 2 to 3 weeks only and you will see the change it does to your body, believe me, you will never go back to eating what you ate before. Always food, live body!
  • pea
    pea 11 months ago consume turmeric and other anti inflammatory spices?
  • Cory Alphin
    Cory Alphin 1 year ago I'd suggest trying CBD oil as well as an all raw diet.
  • hissouthernbelle1990
    hissouthernbelle1990 1 year ago Try going completely raw. As in only raw fruits and vegetables not cooked. I have an autoimmune disease and start for only 2 weeks and I’ve noticed a difference! Do some research about raw diets for autoimmune for yourself. Hope you feel better soon :)
  • jasanboali
    jasanboali 1 year ago Cut back on sugar, refined grains, and processed vegan foods