Robert Kushner
American painter
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Oct 28, 2026
Ep 4: GLP-1s and Lifestyle Medicine: Better Together
15:52
19:53

Christina WellsHOST
And I know that getting in appropriate macro and micronutrients and getting in enough fiber and enough protein, how do we make sure that patients are getting that balance? And then also, how do we make sure they're getting enough protein and in various amounts? So one, that they're not getting an excessive amount of maybe just all animal protein that might put themselves at risk for cardiovascular disease and getting in a variety, but also getting in enough so that they won't get that associated muscle loss or muscle wasting that may come with chronic use of GLP-1s.
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16:31Robert KushnerGUEST
Yeah, I want to also mention that we are living in a very digital, technologically advancing world.
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16:37Robert KushnerGUEST
And most people are using AI these days, whether it's ChatGPT, Gemini, Claude, and so on.
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16:46Robert KushnerGUEST
But I actually see a world where the number of people getting these GLP-1-like medications desperately need guidance on what to eat.
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16:56Robert KushnerGUEST
And until those resources are more universally available, probably either through pharmaceutical companies or different societies having some general information, I would recommend you ask AI, hey, I'm on a GLP-1.
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17:09Robert KushnerGUEST
I was told I should be taking at least 1.2 grams a kilo, grams of protein per kilo, up to 1.4, 1.5.

Christina WellsHOST
So helping our patients know that when they're on these drugs, they need to be making sure they're getting an adequate amount of fiber, protein, protein and other vitamins and minerals just through a whole balanced healthy diet right and not over focus like you just said on protein so where does exercise come into play like how should we be counseling our patients on exercise
Dr Robert Kushner on GLP-1s, appetite biology and coming off the drug
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31:35Robert KushnerGUEST
So, you know, these step trials, uh, were basically to test e-efficacy, tolerability, and safety, right? So now we're talking about what is the safety.
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31:43Robert KushnerGUEST
And we need to be aware of who should not take the medications, and if you do take the medications, what do you have to be concerned about? So we already know that someone with a family history or personal history of medullary thyroid carcinoma, it's not particularly common, but you need to ask for it.
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31:57Robert KushnerGUEST
Something called MEN2, uh, medull- uh, which is an endocrine neopl- multiple endocrine neoplasia, you should not be taking it.
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32:08Robert KushnerGUEST
When you take the medication, there were some early signals of pancreatitis.
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32:12Robert KushnerGUEST
That really has not borne out very much, and we don't really find that very much.
23 MINS LATER
What Every GLP-1 User Needs to Know (with Dr. Robert Kushner)
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18:07Robert KushnerGUEST
Medication, a- as I said many times and I'll repeat, biologically does the heavy lifting by reducing appetite.
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18:14Robert KushnerGUEST
A- and, and it does guide you, by the way, to eating certain types of food because of the changes in the brain.
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18:19Robert KushnerGUEST
So things that are really s- salty or are really sweet, i- in, in general, not for everybody, greasy are not tolerated as well.
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18:28Robert KushnerGUEST
So it does shift people often to fruits and vegetables and healthier foods.
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18:33Robert KushnerGUEST
How do we know that? We know that, one, by patient care, but number two, even more importantly, if you look at what is going on in our society in the food industry.
45 MINS LATER
Diet and Exercise Recommendations for Patients Taking GLP-1 Receptor Agonists
2:45
7:52

Mary McDermottHOST
So what evidence is there about how best to combine diet and exercise with these incretin-based therapies?
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2:52Robert KushnerGUEST
You know, we're still learning a lot because the key evidence-based studies have not been done.
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2:57Robert KushnerGUEST
But one of the studies that was conducted that has questioned the importance of the intensity of intensive behavioral therapy were called the Step trials with semaglutide.
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3:07Robert KushnerGUEST
In Step one, for example, eighteen brief lifestyle visits were conducted over those sixty-eight weeks, which led to a fifteen percent weight loss, which we just said.
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3:16Robert KushnerGUEST
In another Step trial, we added thirty visits, which would be this intensive behavioral therapy.
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3:22Robert KushnerGUEST
And you know what? We only got a one percent greater weight loss despite adding all this intensive behavioral therapy.
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3:28Robert KushnerGUEST
And that really questioned, does the clinician really need to provide this intensive behavioral therapy to get that kind of weight loss? And finally, there was that one head-to-head trial of semaglutide and tirzepatide.

Mary McDermottHOST
Can you talk a little bit about the recommendations you give if a patient's having adverse effects like nausea, for example, from the incretin-based therapy?
GLP-1 Medications: Comparing Your Options for Weight Management
9:54
21:23

Neha PathakHOST
Can you give us a sense of what someone needs to know when it comes to things like timing with food, when to take these medications? Can you talk to us first about the injectable and then about the pill?
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10:11Robert KushnerGUEST
It is taken once a week, a- any site in the body, like the thigh or the abdomen or the arm, and it's a, a self-injectable pen.
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10:24Robert KushnerGUEST
And the potential side effects of the medication is GI side effects, nausea, vomiting, diarrhea, potentially constipation, can occur with that and seem to be highlighted during the first one to two days after the injection, 'cause that's when the dose in the blood is the highest.
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10:42Robert KushnerGUEST
So I tell patients, "Pick the day of the week that you have the greatest control of your diet over the next one to two days," because we have learned by controlling your diet, you can control the, some of these gastrointestinal side effects more, more effectively.
10 MINS LATER

Neha PathakHOST
Talk to us a little bit about how important those are as foundational to taking these medications.
