Science-backed answers from the book and community.
Community Q&A
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Can children or teenagers do intermittent fasting safely?
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I have PCOS and haven't had a period in 4 months since starting fasting. Should I stop?
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My energy crashes badly around 3pm. Is this a fasting problem or a food quality problem?
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Is there free support available for people starting intermittent fasting?
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How do you deal with cravings at night when your eating window is closed?
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