Intermittent fasting and prolonged fasting decrease insulin but also impact your thyroid, cortisol and other hormones. In this show discuss this research and considerations when deciding how often or long to fast for your health.

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Link to show notes: https://bit.ly/3zkfB1W

Time Stamps

0:00 Intro
01:39 Prolonged fasting impacts hormones and your circadian rhythm.
02:22 Fasting may not be beneficial in general for metabolically healthy individuals who are physically active.
02:52 Fasting benefits those of us who have significant body fat to lose.
03:37 Insulin drops about 35% over a 24 hour fast. It is halved after 72 hours.
04:22 Create a fasting plan that is sustainable and consistent.
05:27 Your metabolic rate is reduced during fasting. Thus, there is a somewhat significant reduction in free T3 levels and a reduction in TSH with fasting.
06:07 Autoimmune hypothyroidism is characterized by leptin interfering and changing immune system tolerance.
07:07 If you are lean and have thyroid issues, perhaps fasting is not of benefit to you.
07:17 Early time restricted feeding pushes your circadian rhythm into an early robust cortisol waking response.
07:52 Fasting, eating, and waking up causes a transient increase in cortisol.
08:37 The primary benefit to fasting is a reduction in glucose and reduction in insulin.
08:52 Early time restricted feeding that Mike recommends, consists of breaking your fast at about 10 a.m. and ending by 6 p.m.