Thinking Nutrition

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Hypothyroidism and Hashimoto’s disease: what role for diet? May 04, 2021

Show notes

Our thyroid gland plays a major role in the metabolism, growth and development of the human body. So when things go wrong with your thyroid gland, it can have systemic effects. Hypothyroidism is where the thyroid gland doesn’t make enough thyroid hormone. And the most common reason for this is an autoimmune disease called Hashimoto’s thyroiditis. The Internet is awash with all sorts of dietary advice for how a person with hypothyroidism should eat to treat and even cure this condition. In this podcast, I’ll explore the claims made about diet and hypothyroidism and see what diet changes, if any, someone with this condition should look at making.

Links referred to in the podcast

Is low carb bad for hypothyroidism? https://www.dietvsdisease.org/low-carb-hypothyroidism
Effect of soy on thyroid function https://pubmed.ncbi.nlm.nih.gov/16571087
Selenium supplementation in the treatment of Hashimoto's thyroiditis https://pubmed.ncbi.nlm.nih.gov/20883174

Episode transcript
To access the full episode transcript, go to the following link and select the individual podcast episode and then click on the ‘Transcript’ tab https://thinkingnutrition.buzzsprout.com

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Can keto cure cancer? Apr 27, 2021

Show notes

Thanks to earlier detection and much better treatment options, cancer today is more survivable than ever. But we are still a long way from curing cancer across the board for all types of cancer with equal outcomes. If you caught my podcast from several episodes back on improving cancer survival with diet and lifestyle choices, I covered the broad lifestyle habits linked with improving cancer survival odds. I also touched briefly on many of the so-called ‘cancer cure’ diets that abound on the Internet. So, for this podcast, I’m going to home in on one that is getting a lot of attention: and that’s the ketogenic diet.

Links referred to in the podcast

Preclinical and clinical evidence for a ketogenic diet in cancer https://pubmed.ncbi.nlm.nih.gov/31399389
Systematic review of the use of ketogenic diets in people with cancer https://link.springer.com/article/10.1007/s10238-021-00710-2
Fasting as an adjunct to cancer treatment https://pubmed.ncbi.nlm.nih.gov/33271979

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Is it safe to drink coffee during pregnancy? Apr 20, 2021

Show notes

Coffee is one of the most popular and safest stimulants that we consume. But during pregnancy, and potentially even when planning a pregnancy, it is one ‘legal drug’ where advice for women becomes a little more prescriptive. Alcohol, soft cheeses, raw fish and even raw sprouts are all foods that are best to limit or avoid during pregnancy. So, should coffee be added to the list and if so, how much is a safe amount to drink? That is what I’ll explore in today’s podcast.
Links referred to in the podcast

Impact of coffee on successful IVF treatment https://pubmed.ncbi.nlm.nih.gov/31043232
Meta-analysis on effect of caffeine on pregnancy outcomes https://pubmed.ncbi.nlm.nih.gov/29276412
Effect of caffeine in healthy adults, pregnant women, adolescents, and children https://pubmed.ncbi.nlm.nih.gov/28438661
Should caffeine recommendations during pregnancy be lowered? https://www1.racgp.org.au/newsgp/clinical/experts-conflicted-on-controversial-caffeine-pregn

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Can micronutrient supplements prevent or treat respiratory tract infections? Apr 13, 2021

Show notes

Coughing, sore throat, runny nose, body aches, fatigue. The classic collection of symptoms synonymous with an acute respiratory tract infection. From the common cold right through to the flu, it is something most people are faced with many times over in their life. So what role nutrition, in particular micronutrient supplements, in helping to bolster your immune system to stop you from getting sick in the first place or helping to fight off an illness once an infection takes hold? In this podcast, I’ll look at the current state of play for the role of supplemental vitamin C, vitamin D and zinc in tackling acute respiratory tract infections.

Links referred to in the podcast

Vitamin C for preventing and treating the common cold https://www.cochranelibrary.com/cdsr/doi/10.1002/14651858.CD000980.pub4/full
Zinc for preventing and treating the common cold https://pubmed.ncbi.nlm.nih.gov/28515951
Vitamin D and ARIs https://www.ncbi.nlm.nih.gov/pubmed/30675873
2021 meta-analysis of micronutrients and ARIs https://pubmed.ncbi.nlm.nih.gov/33472840

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Inflammation: the good, the bad and the ugly Apr 06, 2021

Show notes

Inflammation is now getting top billing as the latest health concern you should be worrying about. From avoiding so-called inflammatory foods to eating anti-inflammatory foods to treat and even cure inflammation, is there no disease that cannot be explained by our understanding of inflammation? Far from something scary, inflammation is a natural process that helps your body heal and defend itself from harm. It is only when inflammation becomes chronic that the story changes. In this podcast, I’ll explain just what exactly inflammation is, what causes it, when it is good and when it is bad, and importantly: what role diet and lifestyle habits play in inflammation.

Links referred to in the podcast

Mediterranean diet and inflammation https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7400632
Effect of probiotics on inflammatory markers https://pubmed.ncbi.nlm.nih.gov/30854594
Meta-analysis of dairy foods and inflammation https://www.tandfonline.com/doi/full/10.1080/10408398.2014.967385

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Apple cider vinegar: superfood or super scam? Mar 30, 2021

Show notes

Move aside coconut oil, your time in the superfood spotlight has passed. Today it is apple cider vinegar, the latest all-natural, all wholesome, all singing, all dancing superfood that's here to save you from just about anything that ails you. With claims ranging from sterilising toothbrushes, curing diabetes and melting away waistlines, in this podcast I’ll look behind the apple cider trend to see what the science has to say.

Links referred to in the podcast

ACV and weight loss clinical trial 1 https://www.jstage.jst.go.jp/article/bbb/73/8/73_90231/_article
ACV and weight loss clinical trial 2 https://www.sciencedirect.com/science/article/abs/pii/S1756464618300483
Meta-analysis of ACV and blood glucose responses https://pubmed.ncbi.nlm.nih.gov/28292654
Review of ACV, glucose responses and potential mechanisms https://pubmed.ncbi.nlm.nih.gov/27213723

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Improving cancer survival with diet and lifestyle choices Mar 23, 2021

Show notes

Eating well and positive lifestyle choices are an important part of reducing a person’s risk of cancer. But when it comes to food choices for people who have survived cancer, key themes surface. A healthy diet and other lifestyle changes are just as important to improve the chances of surviving cancer and reducing its chance of coming back. In this podcast, I’ll look at what the scientific evidence says about lifestyle choices in improving cancer survivability and what are the key recommendations someone with cancer should aim for.

Links referred to in the podcast

Adherence to cancer prevention guidelines and cancer survivability https://ascopubs.org/doi/full/10.1200/JCO.2012.45.4462
Meta-analysis of the effect of diet on mortality and cancer recurrence among cancer survivors https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5181206
Physical activity and cancer survival in men http://journals.humankinetics.com/doi/abs/10.1123/jpah.2011-0257
Physical activity and colon cancer recurrence https://ascopubs.org/doi/full/10.1200/jco.2006.06.0863
Alternative cancer diets https://ar.iiarjournals.org/content/34/1/39

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Lifestyle keys to cutting cancer risk Mar 16, 2021

Show notes

A person’s risk of cancer can be significantly lessened by simple and fairly obvious nutrition and lifestyle changes. In this podcast, I’ll explore where you should put most of your focus and spoiler alert, none of it has to do with avoiding 5G signals, GMO foods, artificial sweeteners, underarm deodorants or acid causing foods.

Links referred to in the podcast

WCRF cancer prevention recommendations https://www.wcrf.org/dietandcancer/cancer-prevention-recommendations
Adherence to WCRF recommendations and cancer risk reduction https://pubmed.ncbi.nlm.nih.gov/32210367

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The carnivore diet raises the middle finger to the plant-based trend Mar 09, 2021

Show notes

Want to eat the exact opposite of plant-based? Then the carnivore diet has you covered. A diet that consists entirely of animal foods and zero carbs and plants, it offers the promise of weight loss and a cure for all that ails you from autoimmune diseases to depression. Of all the trends that buck conventional nutrition advice, the carnivore diet lies several standard deviations to the right of the diet crazy curve. In this podcast, I look at what created the carnivore diet trend, what it involves, and importantly: what can we say about its health merits.

Links referred to in the podcast

Google Trends data for carnivore diet searches https://trends.google.com/trends/explore?date=all&q=carnivore%20diet
Meeting essential nutrient needs on the carnivore diet https://pubmed.ncbi.nlm.nih.gov/32833688
Red meat and TMAO production https://academic.oup.com/eurheartj/article/40/7/583/5232723

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Calcium: foods, functions and supplemental forms Mar 02, 2021

Show notes

Calcium is the most abundant mineral in the body and it’s not just there for making healthy bones. Calcium is needed to move muscles, send nerve signals and release hormones. While dairy gets a lot of the attention for being a good source of calcium, there are plenty of other foods that help meet your needs too. In this podcast, I look at the roles of calcium, the consequences of not getting enough and tackle the controversial area of if calcium supplements are to be recommended or not.

Links referred to in the podcast

Dairy and bone health review 2018 https://pubmed.ncbi.nlm.nih.gov/29560832
Dairy and bone health review 2019 https://pubmed.ncbi.nlm.nih.gov/30657847
Calcium supplements: the good, the bad and the ugly https://pubmed.ncbi.nlm.nih.gov/30568435

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