Obesity Journal study: It's not just CICO
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This stuff is actually old news.
People who were once obese and lose body fat to become the same weight as someone who was never obese will have a metabolism that is 10%-15% slower than the person who was never obese. This reduction in metabolism comes mostly from an increase in skeletal muscle efficiency of about 20%.
Original studies had extrapolated this effect to last for years. Some studies indicated that strenuous exercise might prevent the body from shutting down the skeletal muscles. A recent study indicated that if you can maintain weight loss for a year then these metabolic effects will reset to the new normal. Prior to this study the only known mechanism for resetting the body's hormonal/metabolism systems was bariatric surgery. Know one knows why.
Of course even if you can force a reset after a year of maintenance you have to get to maintenance which itself can take years. Most people don't last long enough to see the reset, if it is actually a thing.
Our bodies respond to fat loss by trying to stop it. It actively tries to defend fat stores. If it is reversible, it takes at least a year of maintenance to see it.0 -
Or if you wanna keep the saturated fat...
https://news.osu.edu/news/2014/11/21/study-doubling-saturated-fat-in-the-diet-does-not-increase-saturated-fat-in-blood/Volek and colleagues recruited 16 adults for the study, all of whom had metabolic syndrome, defined as the presence of at least three of five factors that increase the risk for heart disease and diabetes (excess belly fat, elevated blood pressure, low “good” cholesterol, insulin resistance or glucose intolerance, and high triglycerides).
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The study does not address what happens to palmitoleic acid levels when high carbs are combined with a diet high in saturated fat. Instead, Volek hoped to identify the carb-intake point at which participants began to store fat.
“That turned out to be highly variable,” he said. “Everyone showed increased palmitoleic acid levels as carbs increased, but values varied widely between individuals, especially at the highest carb intake. This is consistent with the idea that people vary widely in their tolerance to carbohydrates.”
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“There is no magical carb level, no cookie-cutter approach to diet, that works for everyone,” he said. “There’s a lot of interest in personalized nutrition, and using a dynamically changing biomarker could provide some index as to how the body is processing carbohydrates.”
This work was supported by the Dairy Research Institute, the National Cattlemen’s Beef Association and the Egg Nutrition Center.
It's funny how nothing you chose to highlight had anything to do with saturated fat. What is your agenda exactly?
I've only seen one person in this thread that I would describe as having an agenda. It's not Jane.
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Or if you wanna keep the saturated fat...
https://news.osu.edu/news/2014/11/21/study-doubling-saturated-fat-in-the-diet-does-not-increase-saturated-fat-in-blood/Volek and colleagues recruited 16 adults for the study, all of whom had metabolic syndrome, defined as the presence of at least three of five factors that increase the risk for heart disease and diabetes (excess belly fat, elevated blood pressure, low “good” cholesterol, insulin resistance or glucose intolerance, and high triglycerides).
....
The study does not address what happens to palmitoleic acid levels when high carbs are combined with a diet high in saturated fat. Instead, Volek hoped to identify the carb-intake point at which participants began to store fat.
“That turned out to be highly variable,” he said. “Everyone showed increased palmitoleic acid levels as carbs increased, but values varied widely between individuals, especially at the highest carb intake. This is consistent with the idea that people vary widely in their tolerance to carbohydrates.”
....
“There is no magical carb level, no cookie-cutter approach to diet, that works for everyone,” he said. “There’s a lot of interest in personalized nutrition, and using a dynamically changing biomarker could provide some index as to how the body is processing carbohydrates.”
This work was supported by the Dairy Research Institute, the National Cattlemen’s Beef Association and the Egg Nutrition Center.
It's funny how nothing you chose to highlight had anything to do with saturated fat. What is your agenda exactly?
1. I highlighted the parts of the article that you posted that I found interesting. I don't care if they have anything to do with saturated fat. If you stand behind what you've linked, I think it's funny that you'd take issue to my highlighting parts of it without further comment.
2. My agenda changes daily. Today's is as follows: Wash the laundry, eat lunch, go for a walk, tidy up the house, floss.
3. I made this just for fun!
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1. Alcohol is harmful. period.
And in a related note, smoking one cigarette/year will give you lung cancer, eating one pack of Twinkies/per month will give you Type 2 diabetes, eating an order of McDonald's fries every third Friday of the month will give you high blood pressure, and eating two hot dogs on the Fourth of July will give you colon cancer.
In other words, alcohol is not harmful. Period. It is harmful when you overdo it. Just like eating an entire box of Twinkies every day is harmful.1 -
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maillemaker wrote: »This stuff is actually old news.
People who were once obese and lose body fat to become the same weight as someone who was never obese will have a metabolism that is 10%-15% slower than the person who was never obese. This reduction in metabolism comes mostly from an increase in skeletal muscle efficiency of about 20%.
Original studies had extrapolated this effect to last for years. Some studies indicated that strenuous exercise might prevent the body from shutting down the skeletal muscles. A recent study indicated that if you can maintain weight loss for a year then these metabolic effects will reset to the new normal. Prior to this study the only known mechanism for resetting the body's hormonal/metabolism systems was bariatric surgery. Know one knows why.
Of course even if you can force a reset after a year of maintenance you have to get to maintenance which itself can take years. Most people don't last long enough to see the reset, if it is actually a thing.
Our bodies respond to fat loss by trying to stop it. It actively tries to defend fat stores. If it is reversible, it takes at least a year of maintenance to see it.
because bariatric surgery is doing exactly the same thing as fasting... dropping insulin to nothing, putting people into ketosis, and unlocking stored fat for energy. Dr. Fung addressed that in the link I shared.
Fasting is great! All the benefits of bariatric surgery without the risks.1
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