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How to Upregulate Metabolism

A biochemical clue as to why vegetarians tend to be significantly slimmer than the rest of the population.

December 16, 2010 |
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How to Upregulate Metabolism, 5.0 out of 5 based on 2 ratings

Sources Cited

H. Karlic, D. Schuster, F. Varga, G. Klindert, A. Lapin, A. Haslberger, & M. Handschur. Vegetarian diet affects genes of oxidative metabolism and collagen synthesis. Ann Nutr Metab, 53(1):29-32, 2008.

Acknowledgements

Transcript

While soy and turmeric can suppress human fat cells, not all vegetarians eat curried tofu, so this still doesn’t explain why vegetarians are so much slimmer, on average, than meateaters. Well, we’re getting closer to an answer
The reason I chose to major in biophysics rather than biochemistry is because of diagrams like this. This is the simplified version of human metabolism. The real deal is controlled is by about 25,000 genes. Let me focus in on one in particular. This appears to be the enzyme that does much of the heavy lifting, Carnitine Palmitoyl Transferase. CPT here, shovels the fat that we eat, into the furnaces in our cells.
The more active it is, the more fat we burn. That’s where a vegetarian diet seems to come in. Here’s our man CPT, significantly upregulated in vegetarians, boosted by about 60%. We’re not sure why, but that may help explain why those eating vegetarian are so slim.

To see any graphs, charts, graphics, images, and quotes to which Dr. Greger may be referring watch the above video. This is just an approximation of the audio contributed by veganmontreal.

To help out on the site please email volunteer@nutritionfacts.org

Dr. Michael Greger

Doctor's Note

Please feel free to post any ask-the-doctor type questions here in the comments section and I’d be happy to try to answer them. And check out theother videos on vegetarians. Also, there are 1,449 other subjects covered in the rest of my videos--please feel free to explore them as well!

For some context, please check out my associated blog post: Boosting Gut Flora Without Probiotics.

  • http://nutritionfacts.org/members/mgreger/ Michael Greger M.D.

    Please feel free to post any ask-the-doctor type questions here in the comments section and I’d be happy to try to answer them. And check out the other videos on vegetarians. Also, there are 1,449 other subjects covered in the rest of my videos–please feel free to explore them as well!

  • http://nutritionfacts.org/members/arc/ ARC

    What is your present considered opinion on the consumption of good fats by healthy people?

  • http://nutritionfacts.org/members/aguccionesbcglobal-net/ aguccione@sbcglobal.net

    Hi ARC,
    Good fats must be considered carefully since they can be processed to become bad fats as well (i.e. converting them to transfats). Additinoally, there are no “free” oils in nature: oils that are extracted from their natural settings of fiber, vitamins, minerals, etc.,can jeopardize one’s health. Consumming too much oil (good or bad) can lead to obesity, diabetes type II, cancer, immune system depression. Great studies to view: http://nutritionfacts.org/videos/good-great-bad-killer-fats/
    Balance it with this http://nutritionfacts.org/videos/extra-virgin-olive-oil/

  • Xgabrielzx

    The article cited in the video seems to say that the vegetarian diet is bad for people..

  • Susan

    To what degree does heat from steaming and baking in oven destroy vitamins and minerals? For example, is there any nutrition left in a baked potato done in the oven for an hour at 350 degrees Fahrenheit?

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