with Ragen Chastain

Weight and Healthcare

Health EN ↓ 284 episodes

Examining the intersections of weight science, weight stigma, and healthcare and what evidence, ethics, and lived experience teach us about healthcare and public health best practices for higher-weight people. weightandhealthcare.substack.com

Author

with Ragen Chastain

Category

Health

Latest episode

Jul 8, 2026

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Episodes

New Study: Weighing and Blood Pressure Part 2 - Limitations, Recommendations, and Conclusions 08.07.2026

In part 1 we began discussing the study ““Please step on the scale”: The experience of being weighed promotes sustained systolic blood pressure level” by Incollingo Rodriguez, Nunes, & Kirschner, published in 2026 in the Stigma and Health Journal. The study sought to determine the impact of weighing in a medical appointments on blood pressure, cortisol, and perceived stress. In part 1 we looked at...

New Study: Weighing and Blood Pressure Part 1 - Study Basics 04.07.2026

I recently spoke at the Association for Weight and Size Inclusive Medicine’s Spring Scientific Assembly. Speakers were grouped into blocks and this study was presented by the lead author, Angela C. Icollingo Rodriguez in the same block as me and I think it’s an important area of study. Get full access to Weight and Healthcare at weightandhealthcare.substack.com/subscribe

Reader Question - What is Going On With Medicare and GLP-1 Diet Drugs? 01.07.2026

I’ve received a bunch of reader questions that can be summarized as what the hell is going on with GLP-1s and Medicare? Get full access to Weight and Healthcare at weightandhealthcare.substack.com/subscribe

GLP-1s and Cancer Part 4 - Three Studies 24.06.2026

In Part 1 we talked about the basics of the studies around GLP-1s and cancer. In part 2 we looked at a study of relatively early data around breast cancer. In part 3 we began discussing a Guardian article that made broad, unsubstantiated claims about these drugs and cancer. Today, in the final part of this series, we’ll take a look at the three studies the Guardian author quotes. Get full access t...

GLP-1s and Cancer Part 3 - The Guardian Article 20.06.2026

In part 1 we discussed the basics around the current studies considering possible impacts of GLP-1s on cancer (if you haven’t read part 1 yet you might want to as I will refer to the things discussed in that post.) In part 2 we looked at a study that explored correlation between GLP-1 use and cis women with breast cancer. Today we’re going to look at a Guardian Article that many of you asked me to...

GLP-1s and Cancer Part 2 - Early Research 17.06.2026

In part 1 I discussed the basics of the deluge of studies coming out looking at GLP-1s and cancer. If you haven’t read part 1 yet, I would recommend doing so as I’ll be referring to it a lot as I move through the rest of this series. Today we’re going to look at a study that considers relatively earlier data around GLP-1s and breast cancer. Get full access to Weight and Healthcare at weightandheal...

Study Questions Associations Between Weight and Health in Metabolic Syndrome - Part 2 23.05.2026

In Part 1 we looked at a study that questions common assumptions about weight and health. Today the lead author, Natasha Wiebe will share her reflections on her attendance and presentation of the paper at the Ob*sity Summit in Montreal, Quebec. Get full access to Weight and Healthcare at weightandhealthcare.substack.com/subscribe

Study Questions Associations Between Weight and Health in Metabolic Syndrome - Part 1 20.05.2026

I’ve previously written about research from Natasha Wiebe et al. that questions assumptions around weight and health. Today I’m back to discuss a new study “Associations of ob*sity, systemic inflammation, and hyperinsulinemia with the incidence of non-communicable chronic disease and mortality: A prospective cohort study” by Natasha Wiebe MMath, Stephanie Thompson MD, Peter Stenvinkel MD, Aminu Be...

Reader Question - How to Stop the Weight Centric Backslide? Part 2 16.05.2026

In Part 1 we started talking about emails that I’ve been receiving from readers about the weight centric backslide including some initial ways that we can identify the issue and push back. Today we’re going to dig deeper. Get full access to Weight and Healthcare at weightandhealthcare.substack.com/subscribe

Reader Question - How to Stop the Weight Centric Backslide? Part 1 13.05.2026

I’ve received a lot of reader emails like the one below from reader Jeannie. I feel like I’m seeing so many people, including dietitians and doctors, who used to be staunchly non diet getting back on the weight loss bandwagon. Suddenly they’re all “you can fight weight stigma and promote weight loss” and “o-word is a metabolic disease” - and “use people first language” and it’s like they were clai...

New Study Questions Weight Loss Claims in Diabetes Prevention Programs - Part 2 Findings 06.05.2026

In part 1 we began discussing the study “Potential mechanisms for change in diabetes prevention programs: A systematic review” including the authors and the premise. Today we’ll look at the methodology and the findings. Get full access to Weight and Healthcare at weightandhealthcare.substack.com/subscribe

New Study Questions Weight Loss Claims in Diabetes Prevention Programs - Part 1 Authors and Premise 02.05.2026

This is the Weight and Healthcare newsletter ! If you like what you are reading, please consider subscribing and/or sharing! Diabetes Prevention Programs are a group of programs that are created to prevent the onset of Type 2 Diabetes, often in people who have been identified as at-risk. Most include behavior changes, social support, and include weight loss as a metric and/or the primary outcome....

GLP-1s and Nutritional Deficiencies - Follow-up 18.04.2026

Recently I wrote about research around GLP-1s and nutritional deficiencies. In summary, we looked at a study that showed that most of the clinical trials aren’t studying this at all , and that when studies do consider this there are concerning findings, and, finally, the implications of all this . I was recently contacted by a Chicago-area private practice dietitian (MS, RDN, LDN) who had, in fact...

Novo Nordisk In Trouble For Not Reporting Serious Adverse Events to the FDA 11.04.2026

Remember when I wrote about the FDA Averse Events Reporting System and how the drug companies are required to report adverse events ? Novo Nordisk just got a warning from the FDA for…not doing that. Get full access to Weight and Healthcare at weightandhealthcare.substack.com/subscribe

Resources to Fight Weight-Based Insurance and Treatment Denials in Eating Disorders Care and Beyond 08.04.2026

I’m very excited to announce the culmination of a project I’ve been working on for Project HEAL. They are an incredible organization that works to break down systemic, healthcare, and financial barriers to eating disorder healing. They already had a series of templates for insurance appeals and they reached out to me to create a blog post and templates to appeal weight-based denials and failure to...

Exposing Weight Loss Industry Legislation - Part 2 04.04.2026

In Part 1 we looked at the problematic justification used by the Colorado Legislature to pass legislation following massive lobbying from the weight loss industry and their astroturf “patient advocacy” groups . Today I am going to talk about the actual contents of the law and am grateful for input from an attorney with many years’ experience in health care law and regulation who was willing to pro...

Exposing Weight Loss Industry Legislation - Part 1 01.04.2026

A bill in support of weight loss interventions, particularly GLP-1 diet drugs, has passed the Colorado state legislature and been signed into law. Very similar bills are being pushed by the weight loss industry (and their astroturf “patient-advocacy” groups, particularly the “Ob*sity Action Coalition ”) in individual states and federally with the goal of increasing insurance coverage (and through...

Reader Question - What Happened to 5-10% Weight Loss in the "Age of Ozempic"? 18.03.2026

I got the following question from reader LouAnna who asked “I just saw that they are developing even more new weight loss drugs of the GLP1 type that (supposedly, of course) create even more lost weight. What ever happened to the claim that we just need to lose 5-10% ? Don’t these new weight loss drugs already claim that they exceed that? Will it never stop?” This is a great question and I’m happy...

GLP-1s and Nutritional Deficiencies - Part 3 Implications 14.03.2026

In part 1 we discussed a study that showed that malnutrition is very rarely studied in randomized controlled trials for GLP-1s. In part 2 we looked at the findings of research that studied nutritional deficiencies in GLP-1 users. Today we’ll talk about the implications of these findings, including what we know, what we don’t, and what we should. Get full access to Weight and Healthcare at weightan...

GLP-1s and Nutritional Deficiencies - Part 2 What the Research Tells Us 11.03.2026

In Part 1 we talked about a study that showed that most randomized controlled trials for GLP-1s failed to assess nutrition/possible nutrition deficits. Today I’m going to summarize some research that did look at these possible issues in people using GLP-1s. In Part 3 I’ll talk about the implications of all of this. Get full access to Weight and Healthcare at weightandhealthcare.substack.com/subscr...

GLP-1s and Nutritional Deficiencies - Part 1 We’re Bringing Scurvy Back? 07.03.2026

I subscribe to a borderline ridiculous number of medical publications from which I receive an absolutely ridiculous number of emails. One headline caught my eye “GLP-1s Bringing Back Scurvy?” Get full access to Weight and Healthcare at weightandhealthcare.substack.com/subscribe

How to Talk to Higher-Weight Patients About Behavior-Based Treatment Options 04.03.2026

I received the following reader question: My name is Mary and I’m a family doc (you can use my first name if you print this.) I wouldn’t say that I’m fully onboard with being weight inclusive but I’ve been reading your work and I can’t deny that what you are writing makes sense and is grounded in research (some of which I had never heard of in any of my training.) I have been thinking about what y...

Study Links Weight Stigma and Inflammation Part 2 - Results 28.02.2026

In Part 1 we looked into the authors and methodology of the study The Acute Inflammatory Effects of Weight Stigma: An Experimental Pilot Study which was published in August, 2025. In part 2 we’ll look at the results. Get full access to Weight and Healthcare at weightandhealthcare.substack.com/subscribe

Study Links Weight Stigma and Inflammation Part 1 - Authors and Methodology 25.02.2026

A new study in this vein has come out that looks at the link between weight stigma and inflammation. The study is called The Acute Inflammatory Effects of Weight Stigma: An Experimental Pilot Study and it was published in August, 2025. In part 1 we’ll look at the study authors and the methodology, and in part 2 we’ll look at the results. Get full access to Weight and Healthcare at weightandhealthc...

Healthcare's Weight Loss Best Case Scenario Problem Part 2 - GLP-1s 21.02.2026

In part 1 we discussed the issues with the decades-long practice of healthcare providers prescribing behavior-based weight loss not based on the evidence (which shows that the vast majority of patients will lose weight short-term and then regain it long-term) but on the belief/hope that every one of their patients will experience the very rare “Best Case Scenario” of significant, sustained weight...

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