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juliaoftoronto's profile
Julia Belluz
Julia Belluz
Julia Belluz
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@juliaoftoronto

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Julia BelluzVerified account

@juliaoftoronto

Sr. health reporter (on book leave) @voxdotcom #globalhealth #covid19 #publichealth MIT Knight Fellow '14. Contact me @ jbelluz on KeyBase / DM for Signal

Vienna, Austria
juliabelluz.com
Joined September 2009

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    Julia Belluz‏Verified account @juliaoftoronto 4 Sep 2018

    TWEETORIAL AHEAD: This summer, I had a rare opportunity to join an @NIH study and spend 23 hours sealed inside an 11-by-11.5-foot metabolic chamber... and I got a granular look at how metabolism works. A few takeaways:pic.twitter.com/mT8kWutAcl

    11:35 AM - 4 Sep 2018
    • 198 Retweets
    • 380 Likes
    • Juli Bhupinder Thakur aditi 🇺🇸💙🇺🇸 Sarah J Baldwin Dexter Biswapriya Misra jak Quality Health_Personal Vision OOEC
    9 replies 198 retweets 380 likes
      1. New conversation
      2. Julia Belluz‏Verified account @juliaoftoronto 4 Sep 2018

        1) *Metabolism is not a single thing in you that you can control.* It's thousands of chemical reactions that turn the energy (calories) we eat and drink into fuel in every cell. These reactions change in response to our environments & behaviors, in ways we have little control.

        2 replies 10 retweets 58 likes
        Show this thread
      3. Julia Belluz‏Verified account @juliaoftoronto 4 Sep 2018

        2) *Exercise accounts for a relatively minor portion of total energy burn* (17 percent in my case). And in an hour and a half on an exercise bike, I only burned 400 calories! A lot less than the 700-800 advertised in 45-minute spinning classes.

        4 replies 8 retweets 58 likes
        Show this thread
      4. Julia Belluz‏Verified account @juliaoftoronto 4 Sep 2018

        3) *Our metabolic rate stays elevated after workouts... but only for a few minutes* (and definitely not the 24-36 hours some gyms — ahem, Orange Theory — claim!)pic.twitter.com/Qxz9q9YPuZ

        3 replies 12 retweets 68 likes
        Show this thread
      5. Julia Belluz‏Verified account @juliaoftoronto 4 Sep 2018

        4) *We burn most of our calories while resting and digesting food.* For me, there wasn't a huge difference between my energy burn minute-to-minute while sleeping compared to resting and awake. And that's normal:pic.twitter.com/xpYDBFxnTW

        1 reply 6 retweets 43 likes
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      6. Julia Belluz‏Verified account @juliaoftoronto 4 Sep 2018

        5) *We under-estimate how much we eat.* Food surveys are notoriously inaccurate, and when I was taking them for this study, I tried to be thorough and over-estimate my calorie consumption. But I was off by 300-800 calories!pic.twitter.com/8e65166t2b

        1 reply 8 retweets 51 likes
        Show this thread
      7. Julia Belluz‏Verified account @juliaoftoronto 4 Sep 2018

        6) *A "slow metabolism" isn't the cause of most people's weight problems.* In fact, people who are larger tend to have higher metabolic rates. And there's not anything money can buy that will speed your metabolism up in way that will lead to substantial #weightloss.

        6 replies 8 retweets 59 likes
        Show this thread
      8. Julia Belluz‏Verified account @juliaoftoronto 4 Sep 2018

        To read more, here's my story:https://www.vox.com/2018/9/4/17486110/metabolism-diet-fast-weight-loss …

        8 replies 34 retweets 128 likes
        Show this thread
      9. Julia Belluz‏Verified account @juliaoftoronto 4 Sep 2018

        And a heartfelt thanks to the team @NIH for welcoming me and tolerating all my questions. If you want to join a study and learn about your metabolism, see here https://clinicalcenter.nih.gov/recruit/index.html …

        5 replies 6 retweets 81 likes
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      10. End of conversation
      1. Torr Leonard‏ @torrHL 4 Sep 2018
        Replying to @juliaoftoronto @NIH

        CC: @tminus5 @alizinha

        0 replies 0 retweets 1 like
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      2. Miss D‏ @Ditzy_horse 4 Sep 2018
        Replying to @JohnWilson @juliaoftoronto @NIH

        I think they need accurate data to base recommendations on and at this point it’s that you are probably not tracking as well as you think you are.

        0 replies 0 retweets 0 likes
      3. End of conversation

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