The Science of The Obesity Paradox | Sci Guys Podcast

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Sci Guys

Sci Guys

Жыл бұрын

Obesity is an epidemic in much of the western world, but is it really all that bad? The Obesity Paradox is the name given to something unexpected that some scientists have found when it comes to how obesity affects health...
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References & Further Reading
Obesity
www.nhs.uk/live-well/healthy-...
www.nhs.uk/conditions/obesity/
www.who.int/health-topics/obe...
www.bmj.com/content/346/bmj.f...
www.science.org/content/artic...
www.newscientist.com/article/...
Obesity Paradox
www.nytimes.com/2018/02/28/we...
www.ncbi.nlm.nih.gov/pmc/arti...
www.nature.com/articles/ijo20...
link.springer.com/article/10....
www.sciencedaily.com/releases...
www.medrxiv.org/content/10.11...
www.ncbi.nlm.nih.gov/pmc/arti...
journal.chestnet.org/article/..."
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Пікірлер: 114
@SciGuys
@SciGuys Жыл бұрын
What is your height?
@user-mh3me9xr5e
@user-mh3me9xr5e Жыл бұрын
As tall as gandalf when he was 3
@bumblebee1053
@bumblebee1053 Жыл бұрын
5,7?
@nyumyu4265
@nyumyu4265 Жыл бұрын
5 feet 9 inches Sorry American measure system
@ItsMeValerie
@ItsMeValerie Жыл бұрын
last time I checked? 177,4 cm :) but this is not the height I most often 'reach', as I love wearing anything with a heel and/or platform!
@caiteniamh
@caiteniamh Жыл бұрын
177.8 cm😎
@randimorris8307
@randimorris8307 Жыл бұрын
I feel that fatphobia is a tangent of ableism. The "They're unhealthy so they don't matter mindset".
@wintergray1221
@wintergray1221 Жыл бұрын
This, plus there are so many negative stereotypes associated with obesity such as laziness, unhygenic, or lacking self-control. Ummm, no? When I was obese, I worked just as hard as I do now, took extra care of my appearance (because poor self-esteem, yay) and, if anything, I had a mild eating disorder where I was literally afraid to eat cake, pizza etc. in front of people not my family because I imagined them thinking things like, "Oh god, fatty's eating the cake. Better hide it before she goes back for more."
@aurora4218
@aurora4218 Жыл бұрын
One of the issues with framing fatphobia as "obesity isn't healthy but that doesn't mean you can treat someone with disrespect " is that is leaves SO much room for doctors to fail their patients. Like I've never faced fatphobia from friends, family, or coworkers, but I've been told by doctors that losing weight would fix some of my health issues because my weight percentile was slightly higher than my height percentile. This while I was training for black belt and about to start my period. But the doctor was so nice about how she said it, and she just wanted me to be healthier uwu
@thiel_spencer
@thiel_spencer Жыл бұрын
This episode made me think of Evan's recent video on British vs America school lunches with Noah. And at one point in the video, Noah made a comment to Evan that it's like American kids don't even have a chance to have a healthy relationship with food based on the food they're served at school for lunch and, oof, they just hit home for me. Between the food we're served versus the beauty standards we're told to achieve, it is so hard to learn correctly about weight and eating habits and body/self image.
@munaiverse7662
@munaiverse7662 Жыл бұрын
The best place to start dieting i think is, not removing flavors but sources; get your sweet from stevia and you salt from iodised salt, etc. I would check out the Dr Gundry MD Plant Paradox Diet; this along with intermittent fasting has me feeling the best energetically that I've ever felt!
@samanthamerritt1718
@samanthamerritt1718 Жыл бұрын
In regards to the related extreme health issues and deaths I do wonder how much of those numbers are heightened more in relation to social effects and medical fatphobia and ableism than actually being directly related to the weight. Every fat person I know, myself included, has had massive chronic health issues overlooked by doctors refusing to do exams or run tests because the symptoms are being related to weight versus weight itself being a symptom of something else, or just not being related to that particular health issue. Knowing this and experiencing this also makes it way less likely for folks to go to a doctor for pretty much anything, so chronic conditions will go longer without attention or won’t get attention at all and progressively worsen. From a perspective of dismantling fatphobia and the social stigma of fatness being related to morality and a persons worth it’s great to get into the factual science of fat production on a basic level being more energy consumed than expended and that that is a morally neutral thing. I think it’s also important though for the sake of folks being able to advocate for themselves in a medical setting and for everyone to reframe their own fatphobia and ableism to nuance that statement with the acknowledgment of many conditions that can dramatically effect how the body stores and expends energy. I know that’s not the focus of this episode but I think is still worth discussing especially in a conversation about fat and effects on health.
@snappleandcats8045
@snappleandcats8045 Жыл бұрын
Thank you for saying this and bringing a lot of nuance that really got lost here.
@simplybet8104
@simplybet8104 Жыл бұрын
The idea that health=worthy of respect is also a cause of ableism. And I like the comparison of health to intersectionality.
@theafterhoursshowwithmax
@theafterhoursshowwithmax Жыл бұрын
to answer, I am 5'11 or approx. 180cm. I found this interesting, epically when speaking about weight loss could be a sign of an underlying illness. My PCP knew that I had no intention of losing weight, I am obese, but I am emotionally happy about where I am at and my current co-occurring issues are managing very well, and when I lost 25 pounds between the two months that I saw her, she was concerned about how it happened (knowing that I wasn't trying to), and was asking me about other possible issues. It just happened to be I was in a less stressful environment, and I wasn't going anywhere so I was eating at home more. But I really appreciated that it wasn't just celebrated that I was losing weight because of my starting size.
@jen_chaos
@jen_chaos Жыл бұрын
Wow Corry skipping length day there! I always aim for +0.5 centimeters to my height at the gym!🏋️‍♀️🤣
@Princess_May
@Princess_May Жыл бұрын
As a statistician and a confirmed wokie it is so funny hearing Cory try to explain omitted variable bias and confounders using intersectionality as an analogy
@SciGuys
@SciGuys Жыл бұрын
Gotta reach people with concepts they already understand!
@imaniware4944
@imaniware4944 Жыл бұрын
I feel like this episode really picked up about halfway through with picking apart the social and scientific concerns with this discussion about obesity and the paradox (because there are many of them). I think I am a bit tense about when obesity is addressed without talking about the history of fatphobia first, because the "common sense" ideas are not great and connect back to (ironically) unhealthy ideals. (I would guess the beginning of this podcast was very cautious for this reason, which I understand). The use of BMI in the studies mentioned here is also frustrating. Hope science can move past this soon, facing the history and redefine new ways to study health that are distinct from these assumptions.
@aurora4218
@aurora4218 Жыл бұрын
13:32, "it is physically impossible to create fat if you do not have excess energy" is *technically* true, but not practically. Our foods contain many different nutrients that *can* be processed as energy but typically aren't because it is inefficient to do so. But when we don't get enough efficient energy (like carbohydrates), our bodies can start breaking down those other nutrients (like protein) for energy and even turning them into fat. It can look like you are at a caloric deficit and still producing fat. Someone who doesn't get enough sleep and who has elevated cortisol is more likely to experience this because their body is more likely to interpret those signals in conjunction with lower caloric intake as famine or flight, and respond by converting more energy (including from inefficient sources) to fat in order to store that energy for later.
@humancat2434
@humancat2434 Жыл бұрын
Very well said. This episode was really lacking in too many areas
@snappleandcats8045
@snappleandcats8045 Жыл бұрын
Something else I've learned is some diets can actually increase your chances of gaining weight even if you don't eat more than before because starving your body will change your metabolism so much and essentially teach your body it needs to hang on to more energy storage. And doing what's called "yo-yo dieting" can have a lot of drastic affects on your health.
@alexiahahah
@alexiahahah Жыл бұрын
Interesting subject! I appreciate how you wanted to be accurate but also careful with your words. Just one thing I wanted to add: while depression, low confidence and feeling isolated is, of course, partly an effect of societal pressure and a result of how society views/treats obese individuals, excess fat DOES have a direct effect on brain chemistry and functioning that increases the likelihood of developing depression and anxiety disorders. So it is accurate to place depression and related mental states as symptoms of/problems related to obesity, just as shortness of breath and joint pain is.
@wyllowtree222
@wyllowtree222 Жыл бұрын
This channel deserves so much more love.
@jamiebrownlee6095
@jamiebrownlee6095 Жыл бұрын
i love y’all’s podcast but i have to agree with the other people in this comments that a lot of discussion on the way healthcare providers treat overweight people could actually be the cause of higher mortality rates, as well as the fact that some of the “symptoms” of obesity could just as easily be issues which are causing weight gain. many doctors will deny medical care and gaslight overweight patients about their health problems and that’s something i don’t think you can understand unless you’re willing to put aside certain biases and listen to what people who have experienced these things are saying. My sister (16) has chronic hormonal problems and just recently told my parents that she hasn’t gotten her period in 2 years and been avoiding the doctor because of her weight and prior experience. my mother had a genetic thyroid issue ignored because her symptoms were blamed on her weight for upwards of 10 years. (the weight gain was actually, conversely, CAUSED by the thyroid issue) the longer people avoid treatment or are refused treatment, the less healthy they get. even just being slightly overweight in my case, as i work out ~1 hr every day and am on testosterone, i still have issues receiving help for even mild issues from doctors. you also fail to mention genetic causes for weight gain, completely unrelated to caloric intake and nutritional value of food. I grew up in a “crunchy” household where we were eating pretty much exclusively health foods (not low cal, but lots of veggies, chicken, organic and local) but genetic low metabolism and unaddressed hormonal health issues still had us all with more body fat than our peers. obviously, both these things are anecdote, but they’re VERY common, and all it would take to know those things would be to listen to more fat people talk about their experiences with medical professionals prior to recording. No hate to you guys obviously and I still love the show, I just wanted to share my thoughts
@jamiebrownlee6095
@jamiebrownlee6095 Жыл бұрын
also i’m not saying being obese is healthy, it absolutely can cause many diseases especially in the “severely overweight” category, but even the way people who are slightly overweight are treated by doctors is absolutely insane despite the fact it does likely have less risk than being dramatically obese imo. having a bit of a belly probably isn’t going to kill you but it will make doctors treat you like shit, which might.
@SciGuys
@SciGuys Жыл бұрын
The treatment of fat people by medical professionals definitely has an effect on the health of fat people and we definitely could have touched on that more - but we only have so much time & this episode was more about the concept of the obesity paradox. Additionally, it doesn't explain away all of the health risks associated with obesity. We actually did mention that genetics play a role in weight gain. This isn't unrelated to caloric intake, however, as it is literally thermodynamically impossible to gain fat over a long period of time without giving your body energy to store. The point is not that the only cause of obesity is eating too much, the point is to understand that even with genetic causes etc, the body is storing energy & so must be exerting less than it's taking in. Hypothyroidism can cause weight gain, but not on its own. If you were to not eat at all you wouldn't still gain fat with a thyroid issue. The point is that these conditions modify your BMR or how your body processes the food you consume. You've said the foods were "healthy" but "not low cal". It literally doesn't matter if it's "healthy" or not, that word means very little. You can gain weight by eating just chicken if you eat enough chicken. That was part of the point that was being made - your body processing more calories than it exerts over an extended period of time is thermodynamically the only way to gain fat. Obviously that's an oversimplification in terms of the actual processes, but from a physical standpoint we cannot create mass/energy from absolutely nothing.
@jordanbone79
@jordanbone79 Жыл бұрын
Great ep! As a supplement, I really liked the BMI Episode from the podcast Maintenance Phase so can totally recommend that for further info
@Antony_Oscar
@Antony_Oscar Жыл бұрын
Maintainence Phase is great, really interesting for people who want to know the history of BMI, Obesity "epidemic", and bunch of mainstream fad diets. Highly recommend!
@ExtraordinaryMachine333
@ExtraordinaryMachine333 Жыл бұрын
First time listener here. This video was recommended to me and I wasn't sure where it was going but the neutral comments from listeners gave me hope that this would be a good video. I was not disappointed! Although it took 45 minutes to get to the topic of the video, I appreciated how much research was done. I would have liked more history on BMI (that would also show why it's such an inadequate marker of health), more discussion of correlation of fat vs. causation (it would be nice if more studies on lifestyle choices were in play vs. weight/size), and the mental health component of weight/weight loss. Weight is not just calories in/calories out, and people with a history of disordered eating and/or compulsive tracking can be mentally (and sometimes physically) healthier not focusing on weight. And then there is the effect of fatphobia microaggressions (especially experienced in Healthcare), etc. etc. But then this would have been an even unwieldier podcast (maybe MORE than 45 minutes getting to the main point), so I have even more admiration for the Sci Guys keeping this on track. I love the takeaways, that the science behind the paradox is suspicious, that more research is needed, and that all people are valuable beyond their body size, shape, gender, etc. Thanks for that.
@deadlymelody27
@deadlymelody27 Жыл бұрын
Awww man seeing the advert for after dark makes me sad that i cancelled my patreon, i cant currently afford it but i will be getting it back when i can because after dark are my literal favourite episodes!
@Antony_Oscar
@Antony_Oscar Жыл бұрын
Still in the middle of listening to this, so sorry if you bring it up later: some of the things in that "obesity symptoms" list are a bit silly, apart from the social stuff. Things like sleep apnea and depression can *cause* you to become obese because they affect your daily life so much.
@caiteniamh
@caiteniamh Жыл бұрын
This is a really good topic to cover right now thank you so much I needed this today
@coralovesnature
@coralovesnature Жыл бұрын
I really enjoyed this episode! I appreciate the nuance, as always.
@HeroesAndHeroiness
@HeroesAndHeroiness Жыл бұрын
Please check out 'the maintenence phase podcast' which has a obesity epidemic episode and is just worth looking at if you're into science journalism
@soupsoup8006
@soupsoup8006 Жыл бұрын
I listen to sci guys when I fall asleep so you can have more views . I mean I also listen to sci guys when I’m awake but I can fall asleep to the same video multiple times
@lit2021
@lit2021 Жыл бұрын
Mushrooms! Yes! I was looking for a way to lose weight but not restrict myself to bland, tasteless foods😁
@CorwinFound
@CorwinFound Жыл бұрын
Healthy at any weight can seem a bit silly, until you look at an "average" fat person. I fall into that category at 44% body fat. In preparation for an event I upped my activity level to include significant hiking, some running, and resistance training. I was averaging about 25-30km per week plus weights. 6 weeks. Didn't lose a pound or noticeable body changes. Got to the event that included a 2 km run as fast as you can. At 47yo and 60lbs overweight I was *passing* people 10-20 years younger who were thin and *looked* fitter than me. Reasonable health and fitness can hide under a certain level of fat. Does my weight bring risks to my health? No question. Given my decades long inability to lose the weight, should I start focusing on areas I *can* positively impact? Absolutely. I may never be thin but apparently I can be fit even if I don't look it.
@emmi3785
@emmi3785 Жыл бұрын
This is similar to why drinking small amount of alcohol is "healthy". Especially earlier, when drinking was more peer pressured, people who did not drink at all were 1) having some health problems, which were made worse with alcohol or 2) sober alcoholics...who had already gotten negative health effects from alcohol. This would lead to people drinking a small amount of alcohol being the healthiest group.
@lit2021
@lit2021 Жыл бұрын
I know a guy with a high BMI, he's pretty healthy. The problem is, he breaks every chair he sits in because he weighs 150 kg. /srs
@darasimpson1539
@darasimpson1539 Жыл бұрын
Could it also have something to do with metabolism? Usually being over-weight means you will have a slower metabolism, which could also slow the growth of certain tumors/cancer cells etc. I know nothing about this, just wondering!
@olgacalvache3327
@olgacalvache3327 Жыл бұрын
what does Luke say around 17:52 that makes Jamp laugh? couldn't hear it properly lol
@olgacalvache3327
@olgacalvache3327 Жыл бұрын
nvm i just heard it
@ExtraordinaryMachine333
@ExtraordinaryMachine333 Жыл бұрын
45:45, when "the Obesity Paradox" is addressed
@quillenlouis7734
@quillenlouis7734 Жыл бұрын
5’3”
@AT-fz6wf
@AT-fz6wf Жыл бұрын
Im using this for my EPQ. Is that ok?
@SciGuys
@SciGuys Жыл бұрын
Go for it!
@ThirrinDiamond
@ThirrinDiamond Жыл бұрын
For anyone wondering why fatphobia is a thing, the book by Sabrina stings titled "Fearing the black body: the racial origins of fatphobia" (googled, the actual title*) is a very good, objective overview of how fatphobia started in the west. Tldr of the book though people discovered severe obesity = not the best and thus decided to blame every single minority in existence for being obese and said only those minorities are obese and that's why "it's ok to persecute them" giving another reason for discrimination..... yay 😭/s Aka fatphobia wouldn't have been as extreme and polarising as it is today, if people didn't use it as a tool to be racist
@arrepich
@arrepich Жыл бұрын
I'm 5'8 1/2
@arloomahony1309
@arloomahony1309 Жыл бұрын
My height is 5”9 but I feel short. Strange
@Maggie_113
@Maggie_113 Жыл бұрын
5'10"
@maxofb7745
@maxofb7745 Жыл бұрын
6'4"/194cm :P
@fanellaforever
@fanellaforever Жыл бұрын
5'2" I'm smol
@jamaninone2889
@jamaninone2889 Жыл бұрын
5ft1 😢
@zsuzsisz9263
@zsuzsisz9263 Жыл бұрын
172cm
@Antony_Oscar
@Antony_Oscar Жыл бұрын
in Finland, BMI is used as the sole reason to gatekeep top surgery for trans people. The hard BMI limit is 30. Yeah, 30.
@hannahpickford6889
@hannahpickford6889 Жыл бұрын
Sassy scientists
@snappleandcats8045
@snappleandcats8045 Жыл бұрын
See this video is a bit frustrating because what's not considered that I think actually matters a lot is that fat people are oppressed and oppression has huge implications for your health. I'm not saying we should then conclude that all fat is perfectly healthy, but most of what people say it impacts is correlatory, not causative and can also be caused by oppression in all aspects of life and that just isn't scrutinized as heavily. Moreso, this is a big deal because doctors use this frequently to either deny fat patients medical care in a number of ways or push them into often very dangerous treatments for fatness that can also cause a number of health issues associated with fatness. I agree that we shouldn't hang all of fat people's rights on the idea that they're all healthy, but I think there's a lot of context around that that y'all completely missed that needs more consideration, especially when people quite literally die due to these issues. Anyways, I'm skinny and still learning so I can't put all that context here, but I would highly recommend the podcasts Unsolicited: Fatties Talk Back and Maintenance Phase if other people would like to start learning about these issues.
@SciGuys
@SciGuys Жыл бұрын
Oppression can certainly be a factor, we discussed the NHS listing social implications alongside the other symptoms of obesity & how those aren’t necessarily caused by obesity.
@humancat2434
@humancat2434 Жыл бұрын
I like how many people have recommended Maintenance Phase in the comments. As stated in the MP episode on calories, if you're starting your argument with the laws of thermodynamics, you're implying that you're not really interested in the social implications or all the nuances of the digestive system. It's like discussing gender identity and starting with the most basic high school description of chromosomes.
@coralovesnature
@coralovesnature Жыл бұрын
@@humancat2434 I’m not sure if it’s an exact parallel. The very concept of “gender” is a social construct, so by definition of what it is, discussion should be primarily related to social experience. Discussion about chromosomes would be a discussion about “sex”, not gender. While some people do consider being “fat” or “thin”, for example, as an important part of their identity and social experience, we don’t really have a separate terminology for that as opposed to a purely observational description of one’s physical size and lipid content. The episode is titled “the obesity paradox”, so that it the primary purpose of discussion. Generally, the term “obese” is used to refer to a medical description, rather than one’s social experience/ identity. For example, body positive creators usually refer to themselves as “fat”, not “obese”. As such, I took the purpose of this episode to be more about the medical/ physical part of discussion (much like Sci Guys previous episode on the science of sex was). Perhaps they will do a future episode on the social side of fatness.
@humancat2434
@humancat2434 Жыл бұрын
@@coralovesnature The history of the term obesity and the BMI scale is very much one that weaves the social implications of fatness together with flawed and incomplete science. Not exploring that and reducing weight down to energy in vs energy out is akin to reducing gender down to just chromosomes. One problem with the obesity paradox is that the idea of fat being beneficial should never have been considered a paradox to begin with. That initial assumption is not scientifically grounded and is inspired by the perceived social ramifications of being fat. Those perceptions are also why the BMI is even so widely used. Without it and its fatness categories we wouldn't even be having this conversation.
@SciGuys
@SciGuys Жыл бұрын
Not quite, the thermodynamics were brought up amid discussions of the social implications. The nuances of the digestive system and human metabolism are complex and would require an episode of their own - but they cannot break the laws of thermodynamics. That’s the point that was being made, that there are social, genetic, and myriad more factors that influence weight, fat, and obesity, but at its most basic, the body is storing energy & therefore using less than the total it processes. That doesn’t mean that fat people eat themselves to that weight - that was said in the episode.
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