Exercising WON’T help you lose weight: here’s the science of why
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- เผยแพร่เมื่อ 8 ก.ย. 2024
- Planning a new gym regime to burn those calories? It’s probably a good idea for many reasons but it might not help you slim down. Why? Because once you start to exercise more, your body adapts to save energy elsewhere. The overall result: active and inactive people tend to burn similar numbers of calories each day.
To test this, evolutionary biologist Herman Pontzer conducted studies all over the world, including with hunter-gatherers in northern Tanzania. His results consistently supported the theory, as Emma Keeling found out.
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Great video. I think the only way to get this into people's heads is to repeat it over and over and over. Many people are so invested in "exercise" that they refuse to accept reality.
I like how you put "exercise" in quotes like it's this conspiracy theory to get people to go outside lol. Physical activity AND a good diet are important to maintaining not just a fit body but a healthy one too. It's that simple.
@@nintendo2000 There are a few things here. The main one, is simple semantics. Weight maintenance and health are intimately related. Become fat and you will become less healthy. Lose weight and except in cases of undernourishment, you will become healthiER. However, this is an asymmetrical relationship. When you become healthiER, that does not mean by definition that you will lose weight. You might, it's just not guaranteed.
Second, people think that "exercise" is going to cause weight loss. It won't, unless you belong to the leisure class and can exercise for hours in a row, and even then, that weight loss will be underwhelming, unless you adjust your energy intake downward enough to lose weight.
This has been known for decades. The reason Herman Pontzer is internationally renowned is that he was able to prove it. As he shows (and says) diet and exercise are two tools for two different jobs.
Boy, this just isn't true. If exercise doesn't help you lose weight, why did I start dropping pounds a week after beginning to exercise?
I heard him say for newly active you can lose weight but if you are regularly active it will plateau.
Bc your body doesn't adjust at the drop of a dime. Track your calories and exercise over a long period of time, you'll see things taper off. And if you add calories to your diet while in the process of losing weight, I wouldn't be surprised if you start gaining again in the end.
Really interesting. Looking forward to read this book!
When you go to a party and you don’t want eat. They get upset with you.I don’t want to eat or I don’t eat that. They just assumed that you’re overweight because you want to eat sweet , I don't eat that mess. Or they assumed that we like sweets. I’m very very particular about my sweet. I tend to eat food, not a lot of sweets and usually the sweets I like are fruits.
and I prefer foods that are sour and hot, not necessarily sweet. I actually get turned off by things that are too sweet. I literally stop going to a bakery because his food was too sweet. He was using artificial sweeteners overly sweetened food.
Yeah I suppose the body will adjust to become more efficient, but on the other hand at the end of the energy spectrum you can't get activity and energy from nothing. There is a minimum that the metabolic rate can go in an active person. What they should be looking for is what is that minimum and how exercise and diet can be used together with that minimum to control weight, because for many people the take away from this is: it doesn't matter if I exercise and control caloric intake or not. I don't believe that. That's what I've learned from my own experience. The body is a miracle but it doesn't work on magic. It's simple physics. The body has to consume, convert, and expend energy to function and work. The more work the more energy you need to do it. It's a diet AND exercise problem
Exactly, I don't believe this ,Its like vehicle can run without a fuel , How ? Same How active person can perform without Calories How ? From where energy will come either stored or food . From his logic 100 Calories is needed for 2000 steps , it Magically it need 50 Calories for 2000 Calories How ? Common sense
@@MrsIndiaOfficial Listen very carefully. What he is saying is something we have known for decades, but because it was never proven, many people did not believe it. He has proven it. Not only for humans, but also for other primates and even other species.
He is not talking about running on zero energy. He is talking about certain processes that are tuned down in order to make up for the extra energy. That is why exercise is not good for weight loss, but VERY good for health.
They have found that there is about a 600 kcal 'buffer'. If you can get above that, there will be a difference, but because that requires so much time, almost no one will ever reach that.
@@MrsIndiaOfficial when you don't exercise, the body uses calories elsewhere. The only way to lose weight is to prevent yourself from eating calories above your average burning rate. Otherwise, you're gaining weight somewhere (fat and/or muscle)
The video's overall point is that controlling caloric intake IS how you control your body's weight
What an awesome video everything look's crispy and the facts are simple and truth 🙏
When I used to exercise a lot I started losing weight but it slowed down to a point I stopped losing weight. I would exercise for like 2hrs or more a day and the scale did not move. I slowed down my exercise like every other day exercise like 30min to 40min exercise and become very mindful of what I eat and how much I eat and I lost a lot of weight faster. So if you want to reduce fat then eat less and pay attention to what you are eating and watch your macros. Exercise does not help you lose weight believe me I tried it doesn’t work. It might work at first but slows down and stop working.
Right now I notice kinda the same I cut out ultr processed foods and only eat vegetables, eggs, clean fish, oil and wholegrain noodles and this since december 28th 2023 so nearly 2 months. I am also a cyclist and wanted to lose my last 2 - 3kg of fat on my body. Sometimes I cycle around 1 - 2 hours or more burning 750 - 1250kcal and this 5 or 6 times a week, I havent really lost much fat or weight by doing it already 3 weeks and only eating 2.100 kcal or so per day. It really feels like 6 times per week road cycling doesnt do much for me at all. The scale says I havent dropped a pound yet.
Even when eating healthy as of now it feel like my body hit a plateu I am 168cm and now at 60.3 - 60.5kg depending on how much water is in my body due to salt or food still in my body. When I had corona I was only sitting an doing nothing, eating around 1750 - 1.850 kcal and holding my weight at 60.3kg only sitting at home. This is kind of a shock to me that I might have to cut even more away of the over all clean food intake because the exercise 6 times per week doesnt do much at all anymore.
@@jigglypuff4227 I eat 1200 calories a day and exercise moderately and each time I step on the scale I have lost more. I eat breakfast and lunch dividing the 1200 calories. When it comes to fat loss it has to do with how much eat. Exercise also can cause inflammation which makes it hard to lose weight that was a shock for me. So it’s not about what exercise or how we exercise it has to do with how much we eat.
@@dabzcothanks for your report, yes we all have been wrong before o.o it is a stunning revelation for us, lol!
Yup. That's been my experience in the past couple years. I only consistently lose weight when I restrict my calories to a daily maximum. I'm more active now than a year ago and I still can't eat more
It’s true.
Both cardio and strength training increase the number and efficiency of mitochondria in your tissue. Guess what mitochondria do?
I prefer natural sweeteners. Honey sugar or just a taste of the food itself like I don’t understand why people add butter to lobster. Lobster if it’s cooked, Wright is very sweet it doesn’t need any additives least to me.
coach greg sayed hi
10's of millions of people who have been managing their weight through exercise disagree, Tanzania or no Tanzania.
Except that those 10s of millions of people do not exist. They are a claim, no one has ever found them. Listen **carefully** to what he is saying. He is not saying what you think.
Muito top este video!
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wrong analysis... african people hunt and eat as much their body want to eat, u will never know how much they eat in a day..as they dont count calories...
They use calorimetry to track how many calories they burn. If they ate more than that, they'd be gaining weight
@gregdoucette This video is so confusing. Is this actually corret?
So how do you loose weight then. I'm so confused. More more you move the more calories burned right?
If you're gaining or maintaining your weight, eat fewer calories. That's it. Exercise bc it's healthy, not to balance the scales