Dr. Karl Nadolsky
@drkarlnadolsky.bsky.social
💥Endocrinologist (Hormone Physician)
💥Board certified endocrinology/diabetes/metabolism & obesity medicine
💥Cohost DocsWhoLift podcast
💥Endocrine Clinic at the Gym
💥Board certified endocrinology/diabetes/metabolism & obesity medicine
💥Cohost DocsWhoLift podcast
💥Endocrine Clinic at the Gym
We all recommend reducing restaurant food, but that’s not good politics.
“Restaurants have typically escaped scrutiny, despite providing roughly 1 in 4 calories consumed and having the worst average nutritional quality of any food source in the US”
MAHA jamanetwork.com/journals/jam...
“Restaurants have typically escaped scrutiny, despite providing roughly 1 in 4 calories consumed and having the worst average nutritional quality of any food source in the US”
MAHA jamanetwork.com/journals/jam...
Food and Nutrition in the MAHA Strategy
This Viewpoint discusses both the shortcomings and strengths of the Make Our Children Healthy Again (MAHA) Strategy and how it could represent a shift toward food and nutrition as foundations of US he...
jamanetwork.com
November 13, 2025 at 10:10 PM
We all recommend reducing restaurant food, but that’s not good politics.
“Restaurants have typically escaped scrutiny, despite providing roughly 1 in 4 calories consumed and having the worst average nutritional quality of any food source in the US”
MAHA jamanetwork.com/journals/jam...
“Restaurants have typically escaped scrutiny, despite providing roughly 1 in 4 calories consumed and having the worst average nutritional quality of any food source in the US”
MAHA jamanetwork.com/journals/jam...
Non-coeliac gluten sensitivity - The Lancet www.thelancet.com/journals/lan...
Non-coeliac gluten sensitivity
Non-coeliac gluten sensitivity (NCGS) refers to individuals who report intestinal
and extraintestinal symptoms related to the ingestion of gluten-based or wheat-based
foods, in the absence of coeliac ...
www.thelancet.com
November 9, 2025 at 1:42 PM
Non-coeliac gluten sensitivity - The Lancet www.thelancet.com/journals/lan...
The effects of antidepressants on weight, cardiometabolic and other physiological parameters: a systematic review and network meta-analysis - The Lancet www.thelancet.com/journals/lan...
The effects of antidepressants on cardiometabolic and other physiological parameters: a systematic review and network meta-analysis
We found strong evidence that antidepressants differ markedly in their physiological
effects, particularly for cardiometabolic parameters. Treatment guidelines should
be updated to reflect differences...
www.thelancet.com
November 2, 2025 at 8:28 PM
The effects of antidepressants on weight, cardiometabolic and other physiological parameters: a systematic review and network meta-analysis - The Lancet www.thelancet.com/journals/lan...
Continuous Glucose Monitoring Frequency and Glycemic Control in Type 2 Diabetes
CGM may be unhelpful for healthy people without blood sugar dysregulation, but VERY helpful for type 2 #diabetes
jamanetwork.com/journals/jam...
CGM may be unhelpful for healthy people without blood sugar dysregulation, but VERY helpful for type 2 #diabetes
jamanetwork.com/journals/jam...
November 1, 2025 at 7:20 PM
Continuous Glucose Monitoring Frequency and Glycemic Control in Type 2 Diabetes
CGM may be unhelpful for healthy people without blood sugar dysregulation, but VERY helpful for type 2 #diabetes
jamanetwork.com/journals/jam...
CGM may be unhelpful for healthy people without blood sugar dysregulation, but VERY helpful for type 2 #diabetes
jamanetwork.com/journals/jam...
Good news: Updated Evidence for Covid-19, RSV, and Influenza Vaccines for 2025–2026 | @nejm.org www.nejm.org/doi/full/10....
Updated Evidence for Covid-19, RSV, and Influenza Vaccines for 2025–2026 | NEJM
Changes in the vaccine advisory process in the United States have disrupted immunization
guidance, which reinforces the need for independent evidence review to inform decisions
regarding immunizati...
www.nejm.org
October 30, 2025 at 11:47 PM
Good news: Updated Evidence for Covid-19, RSV, and Influenza Vaccines for 2025–2026 | @nejm.org www.nejm.org/doi/full/10....
Liraglutide and Weight Loss Among Suboptimal Metabolic Bariatric Surgery Responders: jamanetwork.com/journals/jam...
Liraglutide and Weight Loss Among Suboptimal Metabolic Bariatric Surgery Responders
This randomized clinical trial examines the effect of liraglutide on weight loss, health outcomes, and adverse effects in people who had achieved a stable, suboptimal weight loss after adjustable gast...
jamanetwork.com
October 29, 2025 at 8:37 PM
Liraglutide and Weight Loss Among Suboptimal Metabolic Bariatric Surgery Responders: jamanetwork.com/journals/jam...
Cardiometabolic Outcomes Among Adults With Abdominal Obesity and Normal BMI: jamanetwork.com/journals/jam...
Cardiometabolic Outcomes Among Adults With Abdominal Obesity and Normal BMI
This cross-sectional study investigates the global prevalence of abdominal obesity with a normal body mass index (BMI) and its association with cardiometabolic outcomes among individuals aged 15 to 69...
jamanetwork.com
October 21, 2025 at 10:26 PM
Cardiometabolic Outcomes Among Adults With Abdominal Obesity and Normal BMI: jamanetwork.com/journals/jam...
Wonder why people are so disenfranchised by partisan politics?
Just watch @SpeakerJohnson & @RepJeffries on @ThisWeekABC
Health insurance does NOT 🟰 healthcare and is actually the racket/scam driving healthcare dysfunction
Just watch @SpeakerJohnson & @RepJeffries on @ThisWeekABC
Health insurance does NOT 🟰 healthcare and is actually the racket/scam driving healthcare dysfunction
October 19, 2025 at 2:53 PM
Wonder why people are so disenfranchised by partisan politics?
Just watch @SpeakerJohnson & @RepJeffries on @ThisWeekABC
Health insurance does NOT 🟰 healthcare and is actually the racket/scam driving healthcare dysfunction
Just watch @SpeakerJohnson & @RepJeffries on @ThisWeekABC
Health insurance does NOT 🟰 healthcare and is actually the racket/scam driving healthcare dysfunction
Be careful this #Halloween!
1️⃣ Yes, observational data still correlate diet soda with obesity and related disease.
Correlation does NOT equal causation
2️⃣ Interventional trials consistently show benefit of diet soda replacing sugary soda for #WeightLoss and #health - meaningful data
PMID: 34481971
1️⃣ Yes, observational data still correlate diet soda with obesity and related disease.
Correlation does NOT equal causation
2️⃣ Interventional trials consistently show benefit of diet soda replacing sugary soda for #WeightLoss and #health - meaningful data
PMID: 34481971
October 15, 2025 at 9:30 PM
Be careful this #Halloween!
1️⃣ Yes, observational data still correlate diet soda with obesity and related disease.
Correlation does NOT equal causation
2️⃣ Interventional trials consistently show benefit of diet soda replacing sugary soda for #WeightLoss and #health - meaningful data
PMID: 34481971
1️⃣ Yes, observational data still correlate diet soda with obesity and related disease.
Correlation does NOT equal causation
2️⃣ Interventional trials consistently show benefit of diet soda replacing sugary soda for #WeightLoss and #health - meaningful data
PMID: 34481971
I honestly don’t understand how the politicians can just fight about access to health insurance when it seems to me that the U.S. healthcare system’s dysfunction is rooted less in access to insurance and more in how the insurance system itself operates.
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October 9, 2025 at 4:33 PM
I honestly don’t understand how the politicians can just fight about access to health insurance when it seems to me that the U.S. healthcare system’s dysfunction is rooted less in access to insurance and more in how the insurance system itself operates.
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Another trial supporting artificial sweeteners over sugary consumption; after weight loss, randomized showing better maintenance with prolonged consumption of S&SEs in a healthy diet is a safe strategy for obesity management.
doi.org/10.1038/s422...
doi.org/10.1038/s422...
October 7, 2025 at 3:05 PM
Another trial supporting artificial sweeteners over sugary consumption; after weight loss, randomized showing better maintenance with prolonged consumption of S&SEs in a healthy diet is a safe strategy for obesity management.
doi.org/10.1038/s422...
doi.org/10.1038/s422...
Health insurance - they don’t just deny coverage of necessary therapy for patients.
➡️Referral to endocrine for elevated estrogen in a male.
👌We eval and submit claim
🖕insurance denies paying us because males don’t have high estrogen 🤦🏼
➡️Referral to endocrine for elevated estrogen in a male.
👌We eval and submit claim
🖕insurance denies paying us because males don’t have high estrogen 🤦🏼
September 27, 2025 at 11:35 AM
Health insurance - they don’t just deny coverage of necessary therapy for patients.
➡️Referral to endocrine for elevated estrogen in a male.
👌We eval and submit claim
🖕insurance denies paying us because males don’t have high estrogen 🤦🏼
➡️Referral to endocrine for elevated estrogen in a male.
👌We eval and submit claim
🖕insurance denies paying us because males don’t have high estrogen 🤦🏼
Tylenol's Tweet on Pregnancy Use Shared by the White House Out of Context
The 2017 tweet appears to be a canned customer service response to a since-deleted post from a presumed customer."
www.medpagetoday.com/obgyn/pregna...
The 2017 tweet appears to be a canned customer service response to a since-deleted post from a presumed customer."
www.medpagetoday.com/obgyn/pregna...
Tylenol's Tweet on Pregnancy Use Being Taken Out of Context, Experts Say
White House, HHS rehash an insignificant customer service tweet
www.medpagetoday.com
September 26, 2025 at 12:12 PM
Tylenol's Tweet on Pregnancy Use Shared by the White House Out of Context
The 2017 tweet appears to be a canned customer service response to a since-deleted post from a presumed customer."
www.medpagetoday.com/obgyn/pregna...
The 2017 tweet appears to be a canned customer service response to a since-deleted post from a presumed customer."
www.medpagetoday.com/obgyn/pregna...
Reposted by Dr. Karl Nadolsky
The United States has swiftly retreated from global health leadership. In @lemonde.fr, I share why this retreat will have serious repercussions worldwide.
Tom Frieden, former CDC director: 'The US is dismantling its own health infrastructure and retreating from global health leadership'
OP-ED. The physician and former director of the Centers for Disease Control and Prevention warns that by 2030, the new US health policy could cause the deaths of more than 14 million people.
www.lemonde.fr
September 25, 2025 at 2:55 PM
The United States has swiftly retreated from global health leadership. In @lemonde.fr, I share why this retreat will have serious repercussions worldwide.
Reposted by Dr. Karl Nadolsky
Dr Robert Lustig gets Fact-checked by MD PhD Doctor
Lustig´s views on sugar, saturated fat, heart disease, LDL and much more get examined for their scientific accuracy
https://youtu.be/vdoDx9dIuNE
Lustig´s views on sugar, saturated fat, heart disease, LDL and much more get examined for their scientific accuracy
https://youtu.be/vdoDx9dIuNE
September 25, 2025 at 4:05 PM
Dr Robert Lustig gets Fact-checked by MD PhD Doctor
Lustig´s views on sugar, saturated fat, heart disease, LDL and much more get examined for their scientific accuracy
https://youtu.be/vdoDx9dIuNE
Lustig´s views on sugar, saturated fat, heart disease, LDL and much more get examined for their scientific accuracy
https://youtu.be/vdoDx9dIuNE
Exercise: consistency over complexity.
Most people just need to stick with the fundamental on a consistent basic for health benefits from aerobic (ie walking, swimming, biking) and resistance training.
💪🏽❤️
Most people just need to stick with the fundamental on a consistent basic for health benefits from aerobic (ie walking, swimming, biking) and resistance training.
💪🏽❤️
September 24, 2025 at 6:46 PM
Exercise: consistency over complexity.
Most people just need to stick with the fundamental on a consistent basic for health benefits from aerobic (ie walking, swimming, biking) and resistance training.
💪🏽❤️
Most people just need to stick with the fundamental on a consistent basic for health benefits from aerobic (ie walking, swimming, biking) and resistance training.
💪🏽❤️
FDA Takes Aim at Hims & Hers, Weight-Loss Drugs in New Advertising Blitz www.medpagetoday.com/practicemana...
FDA Takes Aim at Hims & Hers, Weight-Loss Drugs in New Advertising Blitz
Telehealth companies promoting unofficial drugs targeted for the first time
www.medpagetoday.com
September 17, 2025 at 10:48 PM
FDA Takes Aim at Hims & Hers, Weight-Loss Drugs in New Advertising Blitz www.medpagetoday.com/practicemana...
The US is one of only 2 countries worldwide that permits direct-to-consumer pharmaceutical advertising. The patient-doctor relationship has been distorted, creating increased demand for medications regardless of clinical appropriateness.
The FDA’s Crackdown on Misleading Pharmaceutical Advertisements
This Viewpoint discusses the enforcement action that the FDA is taking to correct decades of regulatory failure regarding direct-to-consumer pharmaceutical advertising.
jamanetwork.com
September 12, 2025 at 9:28 PM
The US is one of only 2 countries worldwide that permits direct-to-consumer pharmaceutical advertising. The patient-doctor relationship has been distorted, creating increased demand for medications regardless of clinical appropriateness.
Posting about health/wellness & medical information feels futile after the assassination + another school shooting yesterday.
Fighting online misinformation triggers people in this divisive political environment these days too so let’s spread love. We are all human ❤️
Fighting online misinformation triggers people in this divisive political environment these days too so let’s spread love. We are all human ❤️
September 11, 2025 at 4:51 PM
Posting about health/wellness & medical information feels futile after the assassination + another school shooting yesterday.
Fighting online misinformation triggers people in this divisive political environment these days too so let’s spread love. We are all human ❤️
Fighting online misinformation triggers people in this divisive political environment these days too so let’s spread love. We are all human ❤️
Compared with Roux-en-Y gastric bypass, single anastomosis duodeno-ileal bypass with sleeve gastrectomy was superior for weight lossopens in a new tab or window after 2 years, a randomized trial found.
www.thelancet.com/journals/lan...
www.thelancet.com/journals/lan...
Efficacy and safety of single-anastomosis duodeno-ileal bypass with sleeve gastrectomy versus Roux-en-Y gastric bypass in France (SADISLEEVE): results of a randomised, open-label, superiority trial at...
SADI-S showed superior weight loss compared with RYGB at 2 years, with a similar safety
profile.
www.thelancet.com
September 2, 2025 at 9:17 PM
Compared with Roux-en-Y gastric bypass, single anastomosis duodeno-ileal bypass with sleeve gastrectomy was superior for weight lossopens in a new tab or window after 2 years, a randomized trial found.
www.thelancet.com/journals/lan...
www.thelancet.com/journals/lan...
@RFKJr_Official- “Trusting the experts is not a feature of either a science or democracy.”
🤦🏼
You wouldn’t board a plane and say, “I don’t trust pilots, I’ll fly it myself.” Why should public health, engineering, or climate be any different?
🤦🏼
You wouldn’t board a plane and say, “I don’t trust pilots, I’ll fly it myself.” Why should public health, engineering, or climate be any different?
August 31, 2025 at 10:50 PM
@RFKJr_Official- “Trusting the experts is not a feature of either a science or democracy.”
🤦🏼
You wouldn’t board a plane and say, “I don’t trust pilots, I’ll fly it myself.” Why should public health, engineering, or climate be any different?
🤦🏼
You wouldn’t board a plane and say, “I don’t trust pilots, I’ll fly it myself.” Why should public health, engineering, or climate be any different?
Patients initiating semaglutide or tirzepatide had a more than 40% lower risk of hospitalization for heart failure or all-cause mortality compared with sitagliptin (DPP-4inh).
jamanetwork.com/journals/jam...
jamanetwork.com/journals/jam...
Semaglutide and Tirzepatide in Patients With Heart Failure With Preserved Ejection Fraction
This study evaluates the effectiveness and safety of semaglutide and tirzepatide in patients with cardiometabolic heart failure with preserved ejection fraction in clinical practice.
jamanetwork.com
August 31, 2025 at 6:50 PM
Patients initiating semaglutide or tirzepatide had a more than 40% lower risk of hospitalization for heart failure or all-cause mortality compared with sitagliptin (DPP-4inh).
jamanetwork.com/journals/jam...
jamanetwork.com/journals/jam...
Teva Pharmaceutical Announces FDA Approval and Launch of Generic liraglutide (“Saxenda®) injection– First Generic GLP-1 Indicated for obesity
ir.tevapharm.com/news-and-eve...
ir.tevapharm.com/news-and-eve...
Teva Announces FDA Approval and Launch of Generic Saxenda® (liraglutide injection) – First Generic GLP-1 Indicated for Weight Loss
Generic Saxenda® is the first-ever generic GLP-1 indicated for weight loss, addressing increased demand for this category of therapies in the U.S. market. This approval and launch add to Teva’s contin...
ir.tevapharm.com
August 29, 2025 at 10:54 AM
Teva Pharmaceutical Announces FDA Approval and Launch of Generic liraglutide (“Saxenda®) injection– First Generic GLP-1 Indicated for obesity
ir.tevapharm.com/news-and-eve...
ir.tevapharm.com/news-and-eve...
Secondary Prevention of Atherosclerotic Cardiovascular Disease | review
August 22, 2025 at 10:11 PM
Secondary Prevention of Atherosclerotic Cardiovascular Disease | review