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What is “metabolism” exactly?
I mean, I know it’s the chemical processes that occur within a living organism in order to maintain life, but how is it regulated? What constitutes a fast metabolism? And WHAT regulates it? Brain? Thyroid? Pituitary? Sadistic aliens? Why, if I eat too little, does my metabolism slow down? Why then, in the reverse scenario,…
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Soooo...why does MFP overestimate calories burned? (if that's even true)
I've read multiple threads where a delighted So-and-So would say "I exercised an extra X number of minutes, and was under my calorie goal, so I treated myself to <insert yummy thing here>, woo-hoo!" , only to see later in the thread some Debbie Downer piping in with, "Well, you KNOW that MFP overestimates calories burned,…
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Body fat percentage of 37%, but my weight is 138 at 5'5". Seriously???
Hey y'all wonderful board members! Started on MFP 31 pounds ago. A friend got me a Withings scale, which tells me my body fat percentage is now 37%. It steadily dropped as my weight dropped from 39% or so. I never gave it much thought. I weigh 138, am a 56-year old 5'5" female, want to get to 128. I wear a size 4/6 bottom,…
