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Comment by endless1234 | Hacker News Reader

Source on your claim that women over 30 won't lose weight if they are on e.g. a consistent 500 kcal daily deficit?

He didn't say that! It gets harder to maintain that deficit because your metabolism will start to conserve energy, your body gets colder and sleepy and therefore uses less energy. At least if the deficit is chosen too high.

Okay, that makes more sense, that the maximum sustainable deficit would decrease with age.

Can you live a life on a consistent 500 kcal diet? I was saying that with age (and with gender) it is much more difficult to maintain weight with just lowering down the calorie intake.

Of course you can , but if you think living life = pizza, cake, fries, then you will have to make adjustments.

Living life is going to work every day, working 8 hours a day, and then having something for yourself in the evening - walks in the park, or some exercise, or something else that actually requires energy.

I get that it's more difficult to do such changes the older you get just from a psychological standpoint, especially if your body is used to a caloric surplus (which it probably is if you're thinking about going to a 500 kcal deficit). But I'm interested in knowing if the body metabolism really changes so drastically when you get older as to make a -500 kcal diet impractical, and where the cutoff for practicality would then be.

And sorry, no source on this, but a lot of people around fighting gaining weight while restricting calories.

Why would you bother asking for a source for this?

Because he/she would like to learn more, or potentially dispel a myth? I don't get why you'd ever question curiosity.

It sounded more to me that he/she was being sarcastic than curiosity.

And, of course I can question curiosity. We're in the internet age. If you have a basic question, ask google.

>We're in the internet age. If you have a basic question, ask google.

When somebody presents an opinion that seems to go against the general scientific consensus, no, I won't just google it, I'd rather ask what they base it on.

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