
Thinking Health Podcast
The Thinking Health Podcast interviews the top minds in health and wellness to provide you with education and actionable information you can use to improve your health.
The Thinking Health Podcast is hosted by Chris Irvin, a low-carb science writer and educator known as The Ketologist on social media.
Latest episodes

Jan 25, 2022 • 1h 14min
S2E2: Dr. Stephanie Estima - Optimizing Your Diet and More Around Your Monthly Cycle
Dr. Stephanie Estima is a doctor of chiropractic with a special interest in metabolism, body composition, functional neurology, and female physiology. She’s also the author of the book, The Betty Body: A Geeky Goddess' Guide to Intuitive Eating, Balanced Hormones, and Transformative Sex, and she hosts the Better! podcast. Dr. Estima has also been featured on Thrive Global, she’s had over 3.5 million article reads on Medium.com, and she’s helped thousands of women regulate their hormones, lose weight, and get off medications. In this episode, Dr. Estima chats with Chris Irvin about the different hormone changes that take place during a monthly cycle, how women should approach these changes, using keto throughout your cycle, why cravings are drastically different during your cycle, and more. Dr. Estima also dives into how keto can affect your thyroid, why you may do well on keto for a certain time only to find yourself craving carbs soon after, and what you can do to improve your hormone health starting today. Here’s a breakdown of the episode with Dr. Estima: 00:00 Introduction to the Keto Answers podcast 00:29 Introduction to this episode’s guest, Dr. Stephanie Estima 02:56 Dr. Estima’s background, how she found herself in this space, and what she noticed in her practice and through her research 09:14 The difference in nutrition for men and women 16:42 Understanding progesterone and its effects on cravings 21:59 Changing your diet throughout your cycle 33:22 The connection between hormonal changes and mental health 42:01 What to do when estrogen is higher in your cycle 47:19 Optimizing keto for women 53:14 Why women shouldn’t do keto forever and a better approach to take 59:29 Is keto bad for your thyroid? 01:05:09 The Estima Diet and Dr. Estima’s training program Resources mentioned in this episode: Dr. Stephanie Estima’s website Dr. Estima’s Instagram, Twitter, Facebook, and YouTube channel Dr. Estima’s book, The Betty Body: A Geeky Goddess' Guide to Intuitive Eating, Balanced Hormones, and Transformative Sex The Estima Diet Dr. Estima’s certification program Dr. Estima’s podcast

Jan 20, 2022 • 1h 13min
S2E1: Dr. Stephen Hussey - Revamping Heart Health Guidelines and Cholesterol Myths Debunked
Dr. Stephen Hussey MS, DC is a Chiropractor and Functional Medicine practitioner who attained both his Doctorate of Chiropractic and Masters in Human Nutrition and Functional Medicine. He’s currently a practicing Chiropractor, health coach, speaker, and author of two books on health. He also guides clients back to health by using the latest research. In this episode, Dr. Hussey and The Ketologist Chris Irvin dive into what Dr. Hussey’s health journey as a type 1 diabetic has been like, how Dr. Hussey structures his meals for heart health, his journey with veganism and why he went back to eating meat, and why our nutritional guidelines for heart health need to change. You’ll also discover the truth about cholesterol, the myths surrounding it, how it’s really connected to heart health, and so much more. Here’s a breakdown of what’s in store: 00:00 Introduction to the Keto Answers podcast 00:29 Introduction to this episode’s guest, Dr. Stephen Hussey, and his background 01:04 Dr. Hussey’s health journey as a type 1 diabetic 02:40 How Dr. Hussey found himself studying the heart and heart disease 07:03 What Dr. Hussey’s experience has been like managing his type 1 diabetes and what he does now 10:45 The breakdown in our healthcare system and the misinformation Dr. Hussey was told to manage his type 1 diabetes 18:15 How Dr. Hussey structures his low carb diet and meal schedule 21:41 How Dr. Hussey went from being vegan to eating low carb and meat 27:57 Why plant-based diets are so popular and why this is a huge problem 37:27 Why are our current nutritional recommendations the way they are if they cause detrimental health problems? 41:26 Should you avoid veggie oils? 46:16 The different types of veggie oils, why your olive oil may have canola oil in it, and how rats fed veggie oils fared with regards to their heart health 50:42 Cholesterol and heart disease 54:09 Why cholesterol isn’t the problem, what is, and what you need to know to fix this 57:40 The blood markers to track to measure heart health 1:02:29 The autonomic nervous system and how it’s connected to heart health 1:05:49 Other important factors that affect heart health that many people aren’t paying enough attention to Resources mentioned in this episode: Dr. Stephen Hussey’s website Dr. Hussey’s Instagram, Twitter, Facebook, and YouTube channel Dr. Hussey’s book, Understanding the Heart Dr. Hussey’s Heart Course

Dec 27, 2021 • 54min
S1E19: Sam Apple - How Diet Affects Cancer Growth
Sam Apple is a faculty member in the Science Writing and Writing programs at Johns Hopkins University and he’s the author of the book, Ravenous: Otto Warburg, the Nazis, and the Search for the Cancer-Diet Connection. He comes on the show to discuss cancer prevention strategies through dietary changes, Otto Warburg and what he got right, Otto’s downfall and what he did wrong, keto for cancer prevention, if going low-carb is just as good as keto, whether meat is connected to cancer, and more. Find a breakdown of this episode below: 00:00 Introduction to the podcast 00:29 Introduction to this episode’s guest, Sam Apple 04:15 What got Sam into researching about metabolism, cancer, keto, and more 07:31 Why was Otto Warburg so passionate about using keto for cancer treatment? 08:48 What led to Otto Warburg’s downfall? 12:48 Did Warburg realize that nutrition was the outlet for solving cancer? 14:36 What really matters when it comes to cancer treatment and prevention 17:60 What Sam saw in the research that had him convinced that elevated glucose and insulin are causative of cancer 23:36 What makes the keto diet superior to a low carb one? Can you still get the health benefits just by being low carb? 30:23 Do you recommend people to go full keto or use a low carb approach for preventing cancer? 34:29 The most fascinating thing Sam has seen in his research 39:10 Retrospective diet studies that blame meat for causing cancer 41:24 Should people test their glucose every day? Resources from this episode: Same Apple’s website Sam Apple’s Twitter and Instagram Sam Apple’s latest book, Ravenous: Otto Warburg, the Nazis, and the Search for the Cancer-Diet Connection

Dec 20, 2021 • 1h 14min
S1E18: Danielle Hamilton - Mastering Blood Sugar and Gut Health
Danielle Hamilton is a Functional Nutritional Therapy Practitioner & Restorative Wellness Practitioner specializing in blood sugar regulation and digestion. She uses a holistic approach to help reverse insulin resistance in her patients. Danielle also hosts the popular podcast, Unlock the Sugar Shackles, and she created her signature course, Blood Sugar Mastery. Danielle comes on the show to share her experience with blood sugar imbalances (which she didn’t know she had) and PCOS, why she became so interested in blood sugar, early signs of blood sugar issues that most people miss, reactive hypoglycemia, and more. Danielle also dives into the importance of your gut health, what a healthy gut looks like, what happens when things go wrong, and what you can do to improve your gut health today. Here’s a peek at what Danielle and Chris Irvin chat about in this episode: 00:00 Introduction to the podcast 00:29 Introduction to this episode’s guest, Danielle Hamilton 01:43 Why Dani is great to follow on social media 04:43 Dani’s backstory, why she’s so interested in blood sugar, her experience with PCOS, and trying a Paleo diet 19:43 Early signs of blood sugar issues 25:02 The blood sugar dysregulation spectrum 30:33 Reactive hypoglycemia 38:06 Why you should also focus on your gut health and proper digestion (and what that looks like) 45:25 What can go wrong with your digestion 52:41 Are there common triggers that we can avoid to prevent blood sugar dysregulation and poor gut health? 58:54 How to clean up your digestion and support better movement along the entire system 1:08:04 Dani’s courses and what she’s currently working on Resources mentioned in this episode: Danielle Hamilton’s website Danielle Hamilton’s Instagram, Facebook, and Twitter

Dec 1, 2021 • 1h 12min
S1E17: Dr. Carrie Jones - Balancing Hormones for Better Health
Dr. Carrie Jones is a Naturopathic Physician who is board-certified in Naturopathic Endocrinology with a Master’s in Public Health. She has over 15 years in the field of functional and integrative medicine and has taught courses in Gynecology and Advanced Endocrinology. She’s also the Medical Director for two large integrative clinics in Portland, Oregon as well as the Medical Director for Precision Analytical Inc, which are the creators behind the DUTCH Test, a comprehensive and cutting edge hormone test. Dr. Jones comes on the podcast to share her wealth of knowledge on the topic of hormone health. So you’ll hear about how to properly test your hormones even if your doctor says your labs are normal, how hormone levels change, and how to pinpoint the cause of fatigue. Dr. Jones also chats about the hormones connected to anxiety and depression, the stress hormone cortisol, PMS, PCOS, and so much more. Here’s a look at the topics Dr. Jones dives into in this episode: 00:00 Introduction to the Keto Answers podcast 00:29 Introduction on Dr. Carrie Jones and her professional background 02:33 How Dr. Jones gravitated towards hormones and the problems connected with them 04:04 Dr. Jones’ role at Precision Analytical and the DUTCH Test, including what that is 06:03 The interesting thing that the creators of the Oura ring discovered and how your body temperature changes leading up to ovulation 09:28 How many hormones does the DUTCH Test measure? 12:03 Dr. Jones’ approach 14:04 Understanding how hormone levels change 18:06 Is there an ideal time to take the DUTCH Test? 20:44 What people get wrong about the stress hormone cortisol and what you should know about it 25:25 Do hormone receptors become non-responsive if we’re chronically stressed and have high cortisol levels? 27:48 Why feeling fatigued all the time may not be connected to cortisol and what it could be instead 31:12 What happens when your hormone levels come back normal but you still don’t feel well? 35:05 Is there a specific hormone that’s off for depression and anxiety? 36:05 What can you do if your hormones are out-of-whack? 39:47 Dr. Jones’ take on birth control 46:25 What causes PMS? 50:07 Eating carbs during this specific time in your monthly cycle 53:25 PCOS, what is it and is it reversible? 58:30 Are hormone issues genetic? 1:06:15 The role gut health plays in keeping your hormones balanced Resources mentioned in the episode: Dr. Carrie Jones’ website (The DUTCH Test and educational resources can be found here) Dr. Jones’ Instagram, Twitter, and Facebook

Nov 22, 2021 • 1h 3min
S1E16: Tara Garrison - When to Bring More Carbs Back In on Keto
Tara Garrison is the founder of a luxury health coaching experience for high performers, called Higher, she’s the creator of the Keto In and Out program, she’s the host of the Inside Out health podcast and co-host of The Kickass Life podcast, and she’s in the process of launching her book, Short-Term Keto. She’s also an avid weightlifter, mom of four, Boston marathoner, and nature lover who teaches people how to do keto, but not forever. Tara comes on the show to discuss who a keto diet is right for, how to know if it’s time to transition out of keto, how to do that, when to introduce more carbs back in, and how your mindset affects your health outcomes and what you can do about it. Here’s a peek at what Tara and Chris chat about in this episode: 00:00 Introduction to the podcast 00:29 Introduction to this episode’s guest Tara Garrison 01:50 How Chris and Tara crossed paths 03:04 Tara’s keto journey and how long you should do keto for 10:10 How Tara helps clients who need to lose 50 pounds or more 17:40 How can you tell if it’s time to bring more carbs back in? 20:25 The carb sources Tara recommends to her clients 28:12 What the transition from keto to including more carbs back in looks like 36:26 How to adjust carbs to reach the perfect upper limit for your body 39:08 How to psychologically adjust to adding more carbs back into your diet 52:39 The importance of celebrating your hard work and wins of all sizes Resources mentioned in this episode: Tara Garrison’s website Tara Garrison’s Instagram, TikTok, Twitter, Facebook, and YouTube channel Tara’s book, Short-Term Keto The Biology of Belief, by Bruce Lipton Self-Compassion, by Dr. Kristin Neff Tiny Habits, by BJ Fogg

Nov 15, 2021 • 1h 12min
S1E15: L.J. Amaral - Using Keto for Cancer Treatment
L.J. Amaral is a clinical research dietitian in Oncology specializing in ketogenic diets for cancer, a registered dietician who is board certified in oncology nutrition, and she currently works in the outpatient cancer center at Cedars-Sinai in Los Angeles, CA as a clinical research dietician. She comes on the show to discuss the role that nutrition plays in cancer treatment, how keto is being used in cancer treatment, what her research has shown so far, if it’s possible to prevent cancer, how sugar and carbs affect cancer growth, and so much more. Here’s a look at what’s in store in this episode: 00:00 Introduction to the podcast 00:29 L.J. Amaral introduction 04:00 The clinical trial L.J.’s been working on since 2016 07:38 Is L.J. actively using a keto diet with her patients? 11:08 Is it common for doctors to prescribe keto for cancer patients? 12:10 Is cancer a genetic disease, luck of the draw, or something else? 14:25 Are there currently nutritional recommendations or guidelines for cancer patients? 16:26 Are the governing bodies missing anything or is there anything you disagree with in the current recommendations? 19:17 Does sugar cause cancer? 24:42 Do we all have cancer cells in our bodies already? 26:34 What’s the story with keto and cancer treatment? 29:26 Do the potential cancer benefits from keto come from lowering carbs and sugar or the state of ketosis? 32:08 What role does nutrition play here? Are there nutrients you can consume to avoid cancer? 34:56 What you should cut out of your diet if you have cancer 36:06 Does keto work better on certain cancers over others? 44:10 The microbiome and cancer 48:05 What’s the justification behind using a 3:1 approach 53:08 Trying a holistic approach to beating cancer 55:54 Is fasting a good complement to traditional cancer therapies? 01:03:55 Are statins a potential therapy for treating cancer? Resources mentioned in this episode: L.J. Amaral’s website L.J. Amaral’s Instagram and Twitter

Nov 8, 2021 • 1h 14min
S1E14: Michael Silverstein - Creating Delicious Keto Meals
Chef Michael Silverstein, author of two delicious keto cookbooks with a third one on the way, is passionate about making food taste good. He also keeps his recipes easy enough that anyone can follow them and he uses simple ingredients that can be found at your local grocery store. This creates recipes that anyone can eat and enjoy whether they’re following a keto diet or not. On top of sharing more about his latest cookbook, Chef Michael comes on the show to discuss why education is so crucial when it comes to eating healthier, seasoning your food properly, keeping keto recipes simple, what he personally does as a chef at home, and so much more. You’ll also hear about Michael’s go-to’s when it comes to gadgets, spices, flours, and sweeteners. Here’s a breakdown of the episode: 00:00 Introduction to the podcast 00:28 Introduction to this episode’s guest, Michael Silverstein 02:43 How Michael likes living in Austin, TX 03:37 Where Michael goes to shop and eat in Austin 10:39 Why education is so crucial when it comes to eating better for health purposes 15:25 Why how you eat and your relationship with food are just as important 22:35 How Michael approaches recipe creation and making dishes keto-friendly 32:58 Michael’s go-to flours and sweeteners and why he prefers using these 38:01 Staples to keep on hand if you think keto or eating healthy is boring 42:16 What Michael does as a chef to keep things simple in his own meal planning for the week 49:55 Michael’s go-to seasonings to make food taste incredible 01:03:01 The gadgets and tools Michael uses in his kitchen and why Resources for this episode: Michael Silverstein’s website Michael’s Instagram, TikTok, Facebook, Twitter, and YouTube channel Michael’s latest cookbook, plus his first two

Nov 1, 2021 • 59min
S1E13: iRick Wiggins - How to Ease Into Keto and Find Success
Cookbook author, keto enthusiast, and social media influencer known as Keto Snackz, iRick Wiggins, lost 80 pounds following a keto diet and he’s kept up with it for a few years now. iRick’s approach is simple and fun and makes transitioning to a keto diet easier so that you can stick with it long-term. And he comes on the show to share exactly that. So you’ll hear about his journey with keto, how he lost weight, why he still follows keto, his favorite recipes, how his philosophy has changed over time, tips for getting started with keto, and so much more. Here’s a look at what you’ll find in this episode: 00:00 Introduction to the podcast 00:30 Introduction for this episode’s guest, iRick Wiggins 01:23 How Chris and iRick found each other 02:41 What iRick’s experience has been like since moving from Ohio to Austin, Texas 06:03 iRick’s favorite restaurant in Austin 08:13 iRick’s journey using keto to lose 80 pounds 15:59 Is keto easier now than in the beginning? Is it more sustainable? 20:02 What iRick recommends starting out with when switching to a keto diet 26:38 How keto has changed for iRick and what it looked like early on compared to now 34:22 Why iRick decided to also cut out vegetable oils 42:35 Was iRick always into cooking and making recipes? 45:55 iRick’s favorite foods to make 48:11 The difference between iRick’s first and second books Resources mentioned in this episode: iRick Wiggin’s website iRick Wiggin’s Instagram, Facebook, and YouTube channel iRick’s first book, Breaking Up With Carbs

Oct 25, 2021 • 1h 13min
S1E12: Robert Sikes - Bodybuilding on Keto, Protein Needs, Optimizing Macros, Improving Recovery, and More
Robert Sikes created the Keto Brick and Keto Savage, an education platform for bodybuilders and people looking to improve their body composition on a keto diet. He comes on the show to discuss what it really looks like to use a keto diet in bodybuilding and the benefits that come with doing so. Robert also chats about protein needs for bodybuilding and to lose fat, optimizing recovery, reverse dieting, body fat percentages, the adjustments women should make for their cycles and hormones, and so much more. Here’s what’s in store with this episode: 00:00 Introduction to the podcast 00:27 Introduction to Robert Sikes’ and the overview of what this episode is about 2:55 What’s a Keto Brick? Plus, why Robert created it 6:54 When it makes sense to use the Keto Brick 11:10 What to do if you’ve been in a constant low-calorie state and you’re looking to make a change 14:24 What does a reverse dieting approach look like? 17:09 How often do you see people losing weight while increasing their calories? 18:03 How long should someone use a reverse dieting approach? 18:48 Is your reverse dieting approach the same for leaner individuals or the general public? 21:00 Do you count macros? 25:24 Can you build muscle and lose fat at the same time? 30:10 What does the transition from cutting to bulking look like? 31:77 Do you decrease protein in a cutting phase? 36:50 Protein recommendations and what this looks like in each phase 40:08 Can you build muscle on keto? 46:05 What are some other things you can do to gain muscle? 48:53 Where does cardio fit in with bodybuilding? How does that look if you’re bulking up versus cutting? 50:39 How has your recovery changed since you switched to a keto diet? 52:07 Why do you think you recover better when you’re on a keto diet? 59:55 How does your advice and approach change for women? 1:03:07 What changes do you make for women around their cycle? Do you increase carbs? 1:05:05 Can you get too low with your body fat percentage? Is there a threshold you should aim to stay above? 1:06:56 Body fat percentage in women 1:08:05 When is Robert’s next competition? 1:08:55 What’s up ahead for Robert 1:11:27 Problems with bodybuilding and how to overcome them Resources mentioned in this episode: Robert Sike’s website Robert Sike’s Facebook, Instagram, and YouTube channel, Twitter Robert’s Keto Brick