By Rebecca Fiedler-Giordano, AGNP
Edited by Nirvana Healthcare Marketing Staff
🕑 8 minutes
Understanding the Obesity Crisis
Obesity and metabolic syndrome are extremely common in modern American life. In 1970, 40% of adults in the United States were overweight or obese, and approximately 2% of the population was diagnosed with diabetes. Now, over 50 years later, a staggering 73% of adults are overweight or obese, and approximately 8% of adults in the United States have diabetes.
A sedentary lifestyle, processed foods high in saturated fats and simple carbohydrates, race, and socioeconomic factors all increase the prevalence of obesity and metabolic syndrome. However, this is a condition that affects every community, regardless of background.
Metabolic syndrome almost seems inevitable in modern life — if more than half the country is struggling with weight, it’s not simply an individual problem but a reflection of the standard American diet and sedentary habits.
This trend of metabolic disease — marked by high body fat, high cholesterol, high blood sugar, and hypertension — rose steadily, year after year, until finally declining slightly in 2023. What caused this decline?
A Turning Point in Metabolic Health
In recent years, there has been a noticeable cultural shift toward wellness and longevity. More people are focusing on physical activity, visiting gyms, and eating lower-calorie, whole-food-based diets.
Another major factor behind the improvement in metabolic health has been the rise of a powerful new class of medications originally designed for diabetes: GLP-1 receptor agonists.
You may recognize these medications by their brand names: Ozempic®, Zepbound®, Wegovy®, and Victoza®. The first in this class, Byetta®, was introduced in 2005 as a relatively weak GLP-1 agonist for diabetics. However, the class truly gained momentum in 2017 with Ozempic® (semaglutide) — a much stronger and longer-acting GLP-1 agonist.
As people began observing their friends and family lose significant weight while managing diabetes, interest in GLP-1 medications for weight loss and obesity management surged. Today, medications containing semaglutide and tirzepatide are prescribed under different brand names for both diabetes and obesity, improving access for patients across multiple health needs.
How GLP-1 & GIP Hormones Work
So, how do these medications work? The answer lies in two incretin hormones — GLP-1 and GIP (found in tirzepatide). These are natural hormones released by the intestines during eating, signaling to the brain that you’re becoming full.
- Appetite Regulation: Some people naturally release more incretin hormones than others, which leads to a smaller appetite and lower body weight. In individuals with obesity, fewer incretin hormones are produced, leading to a larger appetite and more difficulty losing weight.
- Slower Digestion: Incretins slow the rate at which food leaves the stomach, helping people feel full for longer and reducing overall calorie intake. This mechanism reduces the hunger drive in the brain — simply put, more incretin activity means less hunger and fewer cravings.
- Blood Sugar Control: GLP-1s also suppress glucagon release, which helps lower blood sugar levels. This is beneficial for both diabetics and non-diabetics, improving metabolic health and insulin sensitivity.
- Craving Reduction: As their use has expanded, researchers have also found that GLP-1s may reduce cravings beyond food, including substances like alcohol. While this is a positive secondary effect, it’s not an FDA-approved reason to start these medications unless obesity or diabetes is also being treated.
The Benefits & Safety Considerations
For many people, GLP-1 medications have been life-changing. Patients with obesity, diabetes, or related conditions like sleep apnea often see significant improvement. However, it’s important to understand both benefits and risks:
- Common Side Effects: Nausea and constipation are most frequent, caused by slowed digestion.
- Muscle Loss: Weight loss includes not only fat but also lean muscle, making resistance exercise essential.
- Older Adults: Maintaining strength is crucial to prevent frailty during rapid weight reduction.
- Monitoring: Dosing should be gradual and supervised by a qualified provider to minimize side effects and ensure sustainable results.
At Nirvana Healthcare, we’ve seen outstanding outcomes when patients combine these medications with nutrition counseling, physical activity, and regular follow-up care.
Lifestyle Still Matters
Even without medication, tried-and-true lifestyle habits remain foundational to healthy weight management:
- Limit added sugar. Skip processed snacks and sweetened breads; enjoy fruit instead for its natural fiber and nutrients.
- Move regularly. Aim for at least 30 minutes of activity per day or one hour three times a week—mixing cardio with resistance training.
- Walk more. The classic goal of 10,000 steps (about 5 miles) daily still holds value — but any movement counts.
- Try time-restricted eating. Consuming meals within an 8- to 10-hour window — such as 8 AM to 6 PM — can help regulate appetite and prevent nighttime snacking.
Lifestyle habits remain the backbone of long-term health, whether or not you use medication.
Overall
GLP-1 medications represent one of the most significant advances in obesity and diabetes treatment. They help many people control weight, improve metabolic health, and lower disease risk. Yet, lifestyle remains the foundation — balanced nutrition, exercise, and regular medical follow-up are what make results sustainable.
For those seeking to improve metabolic health, manage diabetes, or explore GLP-1 weight loss treatments, it’s essential to work closely with a qualified provider who can offer ongoing support and personalized care.
Patients in Newark, East Orange, Bloomfield, Hackettstown, Morganville and nearby communities in New Jersey can access comprehensive weight-management services including:
- Metabolic assessments
- GLP-1 therapy consultation and monitoring
- Nutritional and fitness guidance
- Preventive screenings for diabetes and cardiovascular risk
About the Author
Rebecca Fiedler-Giordano, AGNP — Hackettstown, NJ
Rebecca is a nurse practitioner at Warren County Medical Associates, a division of Nirvana Healthcare. With advanced training in cardiac, gerontological, and primary care medicine, she brings over eight years of experience specializing in preventive medicine, cardiovascular health, and patient education.
Frequently Asked Questions
What are GLP-1 medications and how do they help with weight loss?
GLP-1 medications, such as semaglutide and tirzepatide, mimic natural incretin hormones that regulate appetite and blood sugar. They slow digestion, increase fullness, and reduce hunger signals, making it easier to lose weight and improve metabolic health.
Are GLP-1 drugs like Ozempic® and Wegovy® safe for non-diabetic weight loss?
Yes — under medical supervision. While GLP-1 agonists were first created for diabetes, FDA-approved versions such as Wegovy® are prescribed specifically for obesity in non-diabetic adults. A licensed provider should monitor dosing, side effects, and progress for safety and best results.
What side effects can occur with GLP-1 medications?
The most common side effects are mild nausea, constipation, and reduced appetite due to slower digestion. Rarely, people experience fatigue or dehydration. These effects are typically managed by adjusting the dose, eating smaller meals, and staying well hydrated.
Can I lose weight without GLP-1 medications?
Absolutely. A balanced diet, regular exercise, resistance training, and time-restricted eating are proven, medication-free ways to manage weight. Many patients combine these habits with or without GLP-1 therapy for sustainable results.
Who should consider GLP-1 or dual incretin therapy?
People with a body mass index (BMI) of 30 or higher—or a BMI of 27 or higher with weight-related conditions like diabetes, high cholesterol, or hypertension—may benefit from GLP-1 or dual incretin therapy. A provider can evaluate your health and create a personalized weight-management plan.
Related
Intermittent Fasting: A Path to Better Metabolic Health
What is Continuous Glucose Monitoring?
Making Sense of Conflicting Dietary Advice
Prediabetes — An Opportunity to Prevent Type 2 Diabetes
Understanding Insulin Resistance & Diabetes
Schedule an Appointment
At Nirvana Healthcare, we understand that obesity isn’t about willpower — it’s a complex condition driven by biology, behavior, and environment. Our goal is to combine the best of modern medicine with compassionate, personalized care.
If you’re considering GLP-1 therapy or want to explore natural strategies for improving metabolic health, schedule a consultation today. Together, we’ll find the best path toward long-term wellness.
Serving patients across Essex County, Warren County, and Monmouth County in New Jersey.
Primary Care Locations
- East Orange, NJ
- Bloomfield, NJ
- Hackettstown, NJ
- Morganville, NJ
Show references
References
- Wilding, J. P. H., Batterham, R. L., Calanna, S., Davies, M., Van Gaal, L. F., Lingvay, I., … & Rubino, D. M. (2021). Once-weekly semaglutide in adults with overweight or obesity. The New England Journal of Medicine, 384(11), 989–1002. https://doi.org/10.1056/NEJMoa2032183
- Fornes, A., et al. (2022). Once-weekly semaglutide for weight management: A clinical review. Obesity Reviews. https://pmc.ncbi.nlm.nih.gov/articles/PMC9272494/
- Ryan, D. H., et al. (2024). Long-term weight-loss effects of semaglutide in obesity: Four-year results from the SELECT trial. Nature Medicine. https://doi.org/10.1038/s41591-024-02996-7
- Moiz, A., et al. (2024). A systematic review and meta-analysis of randomized controlled trials of semaglutide for weight loss in overweight/obese individuals without diabetes. The American Journal of Cardiology. https://www.ajconline.org/article/S0002-9149(24)00319-9/fulltext
- Ghusn, W., et al. (2024). Weight-loss outcomes, tolerability, side effects, and risks of GLP-1 receptor agonists in obesity. Metabolism Open. https://www.sciencedirect.com/science/article/pii/S2667368124000299
- Tzoulis, P., et al. (2024). Semaglutide for weight loss: Unanswered questions. Frontiers in Endocrinology. https://doi.org/10.3389/fendo.2024.1382814
SHARE:
Updated Nov. 24, 2025