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[–] theflyingsquirrel ago 

I think it's because being so fat shortens their lifespan so that aging a year in real time is more like 3 years in tubbytime. Like dog years.

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[–] 6596897? 0 points 1 point (+1|-0) ago 

Their hearts beat faster and must pump more blood under higher pressure, and they must also breathe more. Part of the reason they're always gasping for air, besides their own fat choking them, is that they NEED more oxygen, and oxygen oxidizes (duh), so it damages and kills more cells.

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[–] redditrunbyfascists 0 points 13 points (+13|-0) ago 

This is poor reasoning. I actually studied molecular biology and biochemistry. I have taken the courses on metabolism.

What we are interested in here is metabolism specifically.

The reason caloric restriction works is that it induces the production of protective proteins to help people survive damage that would be induced by starvation.

Fats take in excess calories. This doesn't make them age faster, they just carry the weight as fat.

Fats die younger because of the problems of being fat: heart disease, type 2 diabetes, cancer, joint degeneration, etc.

If changes to metabolism were the key to aging, then the athletes who plow through 6000 kCal/day would drop dead at 40 instead of often living into their 80's/90's.

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[–] SUPA_FUPA 0 points 1 point (+1|-0) ago 

And hams call this growing up and looking more like adults... Haha no.

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[–] hamsbegone ago 

All of us endurance athletes must be about to die by the "lifetime calorie limit" rule then...

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[–] Deathstalker 0 points 6 points (+6|-0) ago 

Your body grows new cells when fed. It repairs old cells during states of caloric restriction. The human life expectancy went up during the great depression because of food shortage. Probably also because people were getting chubby even then.

I posted a video that touched on it not too long ago but it got too many rees

https://www.youtube.com/watch?v=Ihhj_VSKiTs

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[–] Grave_Mercy 1 point 7 points (+8|-1) ago 

This makes sense, as your cells replicate and die each replication brings the chance of a bad mutation (cancer), fats have significantly higher chances of getting cancer.

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[–] mmmmdonuts 0 points 2 points (+2|-0) ago 

Hey, that's interesting, never thought of it like that before.

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[–] vagancias 0 points 3 points (+3|-0) ago 

But it's reversible. I look younger now than 10 years ago when I was a ham.

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