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posted by on Thursday February 23 2017, @09:13PM   Printer-friendly
from the great-status-symbols-though dept.

Fitbits and Apple Watches and the like may have their uses, but they don't appear to be effective in weight loss.

I once received a lot of blowback for an Upshot article in which I showed (with evidence) that exercise is not the key to weight loss. Diet is. Many, many readers cannot wrap their head around the notion that adding physical activity, and therefore burning more calories, doesn't necessarily translate into results on the scale.

Well, here we go again because some of those folks also believe that fitness devices — Fitbit, Vivosmart, Apple Watch — must be helpful in losing weight. Unfortunately, evidence doesn't support this belief either.

[...] What was needed was a large, well-designed study that truly teased out the contribution of wearable tech to weight loss programs. Last year, the results of such a study, the IDEA trial, were published.

[...] At the end of the two years, which is pretty long for a weight loss study, those without access to the wearable technology lost an average of 13 pounds. Those with the wearable tech lost an average of 7.7 pounds.

It's hard for many to accept, so I'm going to state the results again: Those people who used the wearable tech for 18 months lost significantly less weight than those who didn't.

-- submitted from IRC


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  • (Score: 2) by dyingtolive on Thursday February 23 2017, @11:50PM

    by dyingtolive (952) on Thursday February 23 2017, @11:50PM (#470962)

    If you include dessert, I'll bet the aforementioned large friend I have gets close to that without trying. He makes some rich fucking food and likes appetizers when he eats out. Back when I still used myFitnessPal, I'd poke in on his progress and see 2500 calories on dinner alone, and then 2 earlier meals with a snack thrown in. I don't think he watched serving sizes nearly as closely as I did either. He justified it with an hour or so of jogging (and I still don't know how he managed that with all that weight and a bad knee) but then he'd fall off the bandwagon on the exercise but keep eating his normal amount.

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  • (Score: 2) by takyon on Friday February 24 2017, @12:21AM

    by takyon (881) <takyonNO@SPAMsoylentnews.org> on Friday February 24 2017, @12:21AM (#470972) Journal

    A single 2,500 calorie meal per day might be sufficient for some people. I don't see ~5,000 calories triggering weight loss in anyone who isn't an Olympian. Maybe it could be part of a fasting + overeating weekly scheme.

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    • (Score: 2) by bob_super on Friday February 24 2017, @01:00AM

      by bob_super (1357) on Friday February 24 2017, @01:00AM (#470978)

      > A single 2,500 calorie meal per day might be sufficient for some people.

      Most guidelines say about 2200 per day for a man, with some fuzzy footnotes about activity and morphological variations...
      So I think your "some" should really be "the vast majority of", knowing that it's actually too much for most women.

      I cringe every time I have dinner in one of those places where they list the desserts' calories (most of which come from fat: whipped cream and ice-cream on your brownie). 1000 to 1500 calories for a dessert, knowing how many people don't share them? I need to buy more medical stocks.