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They never said that exercise doesn't lead to fat loss. Only that it's a minor contributor and I would argue that's the case. One of your examples, swimming,

They never said that exercise doesn't lead to fat loss. Only that it's a minor contributor and I would argue that's the case. One of your examples, swimming, will put on weight as it will builds muscle mass which obviously is heavier. But one of the side effects of this is that your appetite will increase. And without careful diet management it's very easy for this exercise to be a net negative.

elevaet 2y ago
It's not a minor contributor though, people vastly underestimate how much exercise our species is adapted for, how much we're capable of, and just how far off from that most of us live.
- tsimionescu 2y ago
  It is, in quantities that are compatible with a modern lifestyle. Sure, if you're gonna run marathons every weekend, you will lose a lot of weight from that. But that's not possible to achieve while leading a normal modern life (full time employment, a relationship, children).
  - elevaet 2y ago
    I think it is doable in a modern lifestyle, but that most people don't make it a priority. Most people waste a shocking number of hours out of every day scrolling, watching TV etc, and just take it for granted as part of a "modern lifestyle", but it's just an optional way to spend time, and not very productive. I have full time employment, a relationship, children, and manage to get our for 1hr of running almost every day. (And find time to debate with strangers on HN XD)
    - tsimionescu 2y ago
      1h of exercise a day is great for your health, but that's still only going to be a minor contributor to fat loss. Adjusting your diet is going to have a much, much higher impact on weight loss than 1h of (moderate) exercise/day.
ch4s3 2y ago
> One of your examples, swimming, will put on weight as it will builds muscle mass which obviously is heavier Sure, but what you want is more muscle mass and less visceral fat so that's exactly what your want. Raw mass is too coarse grained to tell you much.

elevaet 2y ago

It's not a minor contributor though, people vastly underestimate how much exercise our species is adapted for, how much we're capable of, and just how far off from that most of us live.

tsimionescu 2y ago
It is, in quantities that are compatible with a modern lifestyle. Sure, if you're gonna run marathons every weekend, you will lose a lot of weight from that. But that's not possible to achieve while leading a normal modern life (full time employment, a relationship, children).
- elevaet 2y ago
  I think it is doable in a modern lifestyle, but that most people don't make it a priority. Most people waste a shocking number of hours out of every day scrolling, watching TV etc, and just take it for granted as part of a "modern lifestyle", but it's just an optional way to spend time, and not very productive. I have full time employment, a relationship, children, and manage to get our for 1hr of running almost every day. (And find time to debate with strangers on HN XD)
  - tsimionescu 2y ago
    1h of exercise a day is great for your health, but that's still only going to be a minor contributor to fat loss. Adjusting your diet is going to have a much, much higher impact on weight loss than 1h of (moderate) exercise/day.

ch4s3 2y ago

> One of your examples, swimming, will put on weight as it will builds muscle mass which obviously is heavier Sure, but what you want is more muscle mass and less visceral fat so that's exactly what your want. Raw mass is too coarse grained to tell you much.