#202: Tamsin Lewis, MD- Keto, Eating Disorders & Carb Cycling for Endurance

Tamsin Lewis, MD draws on the possible connections linking ketosis and anorexia and how that may affect behavior and neurotransmitter changes from the voluntary starvation.

We transition the conversation to fat adaptation, mitochondrial function and carb cycling for endurance athletes.

Get the full show notes: http://highintensityhealth.com/202

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Key Takeaways:

02:28 Dr. Lewis’ Experience with Anorexia: She was diagnosed with anorexia at age 11. Anorexia’s focus is the control of food, which preoccupies one from other things that are happening. Perhaps the biochemical and neurotransmitter changes that result from starvation, force ketosis and effect the brain. Dr. Lewis’ mother called it her “anorexic high”. The massive energy restriction from starvation forces the body to get energy wherever it can, including stress hormones. Dr. Lewis believes that there is a genetic component to anorexia. It is on the continuum of anxiety disorders. component to anorexia. It is on the continuum of anxiety disorders.
06:10 The Salvation of Sport: One day Dr. Lewis realized that sport could save her from depression, anxiety and panic disorder. As she came off the drugs, sport helped her brain rewire.
07:25 Dr. Lewis’ Advice about Treating Anorexia
15:28 Fat Adaptation and Athletes: There is an endurance performance benefit from periodization of carbohydrate intake. Dr. Lewis has never seen a woman athlete do well on a ketogenic diet during endurance training.
20:05 Time Restricted Feeding Benefits and Challenges
21:52 Glucose Monitors Help us engage with our Physiology
24:11 What Would Dr. Lewis do differently in a Do Over?
27:26 Try a More Natural Approach: You can spare your glycogen stores longer if you are fat adapted. Test your gut. Dr. Lewis finds high levels of parasites and dysbiosis in her endurance athlete patients.
31:45 Dr. Lewis’ Love of Hot Yoga: Doing hot yoga creates a euphorigenic process. She finds that yoga is very good for the nervous system and brain health.
40:34 Dr. Lewis’ Single Exercise: Running or cycling up mountains is her choice.
41:13 Dr. Lewis’ Desert Island Herb or Nutrient: She would choose a combination of ashwaganda, curcumin/resveratrol and a dose of omega 3s.
42:37 Dr. Lewis Morning Routine
46:00 Dr. Lewis’ Elevator Pitch: Create more social/community space to prevent social isolation. Bring about more public awareness around a lifestyle medicine approach.

Get the full show notes: http://highintensityhealth.com/202

Join our member community: http://highintensityhealth.com/insider