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Study: Fasting Triggers Body-Wide Changes After 3 Days (www.sciencedaily.com)
submitted 2 years ago* by to c/science@lemmy.world
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Fasting for a week:

  • Causes significant changes in protein levels across various organs.
  • May have health benefits beyond weight loss, but only after 3 days.
  • Switches energy source from glucose to fat after 2-3 days.
  • Average weight loss of 5.7 kg (fat and muscle), with most fat loss sustained after 3 days of eating.

Implications:

  • Provides insights into the molecular basis of fasting's health effects.
  • Paves the way for developing alternative treatments based on fasting benefits.
  • Confirms historical use of fasting for specific health conditions.
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[–] 3 points 2 years ago (2 children)

Causes your metabolism to lower while you’re restricting calories, or potentially for good?

I ask because I ended up doing this pretty drastically for a time (long story, not proud of it) but once I started eating “normally” again, could my metabolism speed up again?

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  • [–] 1 point 2 years ago (1 child)

    My understanding is that severe shifts in calorie intake vs output can lead to lasting metabolic changes. I think the main example people point to is that all "biggest loser" contestants failed to keep their weight down even when they maintained their diets and exercise for a long period.

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  • [–] 1 point 2 years ago (1 child)

    I'm certainly not an expert, but my understanding is that the effect from restricting calories can last longer than the restriction. But it can increase again, and there are many other factors that affect the metabolism. Just like slowing if you don't have many calories it can increase if you have more.

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