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>Your theory of absolute anabolic vs. catabolic body state is absolutely bonkers. Biology does not work that way.

That is exactly how physiology works (I think you may be mixing up chemical reactions with metabolic reactions). Its why when people talk about losing weight there is always a certain number of people who refer to the laws of thermodynamics (calories in/calories out), and generally that is true (calorie surplus = growth and calories deficient = break down).

Of course there are exceptions such as the body has hormones which cause certain exceptions like HGH which can trigger growth (anabolism) in caloric deficits or cortisol can cause breakdown (catabolism) in caloric surpluses.

Can you identify any metabolic pathway that is simultaneously both anabolic/catabolic?

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