"My metabolism slowed down as I aged ... "
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I was watching this video where the guy who eats a diet exclusively of Velveeta mac and cheese claims he's at the age where his metabolism has slowed down This has never sat right with me. Most people are just complacent with the idea that for seemingly no reason, in your 20s, your metabolism slows down. It's not that I think this is necessarily wrong, but it seems to start in adolescence, takes a brief period of reprive in during the onset of puberty and the honeymoon period, then sets in for the average modern diet consumer by 30. Harvard has some data that seems to be conflicting to this logic, basal expenditure is stable (not relatively stable, just stable) from 20-60 years old, and does not decrease over time. It's almost certain that the logic behind the average normie attributing weight gain and exhaustion to an arbitrary date in their 20s is meaningless. The dietary explaination doesn't seem to be adequate because I don't believe that enough people change their diet significantly enough to explain a biological change. Could it be hormones? Sleep seems out of the question considering that most teenagers get horrendous sleep already. Could it be accumulation of estrogens and where it hits terminal velocity at around the mid 20s. Curious to hear other thoughts.
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@eugene i think it's a bit of both. The liver for example loses half of its weight between 20 and 30 years of age. It's not hard to hypothesize how this could indirectly affect metabolism. Other organs and glands might undergo changes too. Then there are gradually accumulating deficiencies and toxicities that undermine the body's ability to oxidize food for energy instead of storing it. Technically, for the most part, the causes for age-acquired metabolic slow down areavoidable or reversible, but it's not necessarily easy or straightforward.
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@TheSir the liver does not lose weight. This is utter nonsense.
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@eugene From a metabolic POV, every day you are alive, you have to bear with the immense stress that is caused by darkness at night time. This can explain why there can be almost perfectly linear rates of certain diseases over time just due to the amount of nighttimes that one has to endure.
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@eugene Downstream result of A) not properly taking care of your body (PUFA accumulation for example) and B) physiological long term impact of being a wage slave. The hormones of a free man and a slave are wildly different.
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It could be the fact eating ONLY mac and cheese is profoundly unhealthy. Even when we eat so called "clean" diets our food sources are still subjected to the environmental pollutants in the general vicinity where it was grown or raised. Making your diet completely based on processed food only makes this worse. His diet is high in fat and starch, and something like mac is very easy to overeat. That's a recipe for obesity.
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Its all about vitamine D
https://vitamindwiki.com/ -
@pittybitty Sure, and everyone on the planet would agree, but the question is the just-so nature of his archetype in the decline of their metabolism as a process of aging, which is what I am contesting. Is it aging or is it hormones or diet, or sunlight and stress as put by someone in this thread. Why is metabolism slowing down taken as a quality of aging at such a young age.
