Changes

This was written during a 3000-mile Artic trek in 1879-80.

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=Adaptations and Timeframe=

* The scientific evidence around ketoadapation is limited as most studies use obese individuals that are undergoing a prolonged fast.

** In sedentary obese individuals on a 24 day fast the forearm muscles reduced the uptake of glucose, increased the intake of ketones (both AcAc and BOHB), and increased the intake of fatty acids. (Human forearm metabolism during progressive starvation.)

** Some, but not all, studies have shown that muscles will produce Ketones from free fatty acids.

=Loss of Adaptation=

How long does it take to lose the adaptations?

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=References=

<references>

<ref name="Speth2010">John D. Speth, The Paleoanthropology and Archaeology of Big-Game Hunting: Protein, Fat, or Politics?, date 8 September 2010, publisher Springer, isbn 978-1-4419-6733-6, pages 84–</ref>

</references>