Please list the various phases in Intermittent Fasting ordered by when they occur after starting the fast, and provide a description of what happens in the body during each phase in about 150 words for each.
change_case:capital_word_frequency keywords:frequency detectable_content:number_placeholders length_constraints:number_sentences detectable_format:number_bullet_lists keywords:existence detectable_content:postscript
less than
at least
best
at least
Javascript
P.P.S
make sure that words with all capital letters appear less than 2 times reply should include the word "best" at least 4 times Your answer must have at least 3 placeholders, wrapped in square brackets, such as [author] Respond with at least 3 sentences Include exactly 2 bullet points in your response. The bullet points should be in the form of:
* This is bullet 1
* This is bullet 2
...
 The response must include the keywords Javascript end it with a post script starting with P.P.S