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People with low BMI aren't more active, they are just less hungry, 'run hotter'

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Re: People with low BMI aren't more active, they are just less hungry, 'run hotter'

#101

I have a really low BMI but also I definitely run cold. My wife and I regularly fight over the thermostat.

Do you run cold or feel cold? Because those are opposite. If you run hot, temperatures should feel relatively chilly. Like when you run a fever you feel cold.

Fever is the immune system fighting infection. The better comparison is to light exercise which increases temperature and perceived temperature. Perceived internal temperature is in general most closely related to movement.

Re: People with low BMI aren't more active, they are just less hungry, 'run hotter'

#102
post #68

Earlier quoted context omitted.

I've known very active cyclists that couldn't lose weight despite riding hundred mile rides weekly. In my youth, I could eat anything and do nothing and not suffer the consequences. I definitely fit the "run hot" part but I was the plate-cleaner in my family and didn't really stop eating like that until I was in my late 30s and suddenly started gaining weight.

> I've known very active cyclists that couldn't lose weight despite riding hundred mile rides weekly. Isn’t this against the laws of physics? If you’re burning a ton of energy and not eating excessively, where are their bodies getting mass from to maintain weight?

I would guess that they are very metabolically efficient bicyclists and that they underestimate how much food they eat.

Re: People with low BMI aren't more active, they are just less hungry, 'run hotter'

#103
post #74

Earlier quoted context omitted.

you missed the important point, IMO: being hungry. it's bizarre that we can be mechanically and nutritionally full yet still be hungry. These low BMI individuals were not hungry. WTF is going on with the hunger response being so messed up in a huge segment of the population?

IMO this is one of the biggest and most interesting questions of the last century with the widest and most frightening implications. If literally a majority of people in wealthy nations are what we define as overweight, and we keep finding new ways that is at least somewhat out of our control or difficult to perfectly control, why do we keep framing it as solely a matter of individual discipline or virtue? I have my…

No post body was provided.

Re: People with low BMI aren't more active, they are just less hungry, 'run hotter'

#104
post #97

I wish the "running hot" part was true for me. I feel cold so easily, to the point that I had to get myself checked out this year since my toes would go numb at the slightest chill. The hunger thing rings true, though. I often just forget to eat and end up eating one meal a day or maybe a meal and a snack. Then again, on other days I might snack through the whole day. It seems to balance out though; after a day of fr…

Diabetic?

Nope; they didn't find anything wrong at all luckily (aside from slightly lower blood flow in my right leg that didn't lead to any cause for concern after more investigation). Just said it happens for some people, especially at lower bf%.

Re: People with low BMI aren't more active, they are just less hungry, 'run hotter'

#105
post #74

The study was underweight bmi vs healthy bmi. Nothing about overweight bmi, which I would assume is the trifecta of overeating, little activity, and slower metabolism. At least that is my personal experience in going from overweight to healthy bmi. Really not surprising that people that eat less have lower bmi and higher metabolism than people that eat more with a slower metabolism but who are more active.

you missed the important point, IMO: being hungry. it's bizarre that we can be mechanically and nutritionally full yet still be hungry. These low BMI individuals were not hungry. WTF is going on with the hunger response being so messed up in a huge segment of the population?

It makes sense evolutionarily: if there's lots of food available now, you should eat it, because there might not be enough in winter.

We live in a society where there's always lots of food available for most people in developed countries (who are mainly the people who are overweight), so it makes sense that you will instinctively eat more than you need to.

Re: People with low BMI aren't more active, they are just less hungry, 'run hotter'

#106

Yes, and, about 8 minutes of true HIIT* at least 3 days a week for 6 weeks is proven to adjust your metabolic run level. Graph your weight. After 6 weeks of HIIT, you'll see weight really shed because you're not burning calories during exercise but 24/7, and because of that metabolic shift, the weight will continue to shed for months even if you stop HIIT. * HIIT is High Intensity Interval Training. It's a technical…

It's really quite amazing how quickly it affects aerobic endurance as well. I had a knee injury, waited 9 months for surgery, recovered, did a self-planned physio routine, and started feeling ready to get back into aerobic exercise.

There was a 5km fun run in town that I figured I'd use as motivation. I did a slightly modified HIIT routine: walking warm up to the football field a few blocks away from my house, 8x flat out sprints from end to end with 15-30s recovery, and then cool down by walking back home.

I went from probably 15 months of completely sedentary life to running a 23min 5km race in about 6 weeks. I ended up finishing somewhere around 15th in the race, and every person who did better than me was listed as "M (18-23)"... and I don't even pretend that I can compete with testosterone-soaked young men :D

Re: People with low BMI aren't more active, they are just less hungry, 'run hotter'

#107

Yes, and, about 8 minutes of true HIIT* at least 3 days a week for 6 weeks is proven to adjust your metabolic run level. Graph your weight. After 6 weeks of HIIT, you'll see weight really shed because you're not burning calories during exercise but 24/7, and because of that metabolic shift, the weight will continue to shed for months even if you stop HIIT. * HIIT is High Intensity Interval Training. It's a technical…

I actually tried this and it didn’t work for me. My weight stayed the same. Maybe my body is just hopeless. Is there actual evidence that this is generally effective?

There was a post last week where this was debunked.

That said, I do hit for the cardio benefits of improving myself instead of thinking it's a weight loss miracle.

Almost always I've found the key to weight loss is eat less, nothing to do with working out (so long as you do actually work out a bit).

Re: People with low BMI aren't more active, they are just less hungry, 'run hotter'

#108
post #68

Earlier quoted context omitted.

I've known very active cyclists that couldn't lose weight despite riding hundred mile rides weekly. In my youth, I could eat anything and do nothing and not suffer the consequences. I definitely fit the "run hot" part but I was the plate-cleaner in my family and didn't really stop eating like that until I was in my late 30s and suddenly started gaining weight.

> I've known very active cyclists that couldn't lose weight despite riding hundred mile rides weekly. Isn’t this against the laws of physics? If you’re burning a ton of energy and not eating excessively, where are their bodies getting mass from to maintain weight?

[deleted]

Re: People with low BMI aren't more active, they are just less hungry, 'run hotter'

#109

Earlier quoted context omitted.

Instead we get boring meta comments.

I'm only myself of course but to me, "why did so many people read this as an invitation to share personal health details with strangers in public" is actually a pretty interesting question. Sorry it was boring to you.

You made a sarcastic dismissal of other people's comments, as did I.

If you were truly interested in the question you posted, You could have just explicitly asked.

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