Culinary medicine specialist certification > Module 33 : obesity > Flashcards

Module 33 : obesity Flashcards

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1
Q

What is the definition of obesity based on Body Mass Index (BMI)?

A

Obesity is defined as a Body Mass Index (BMI) of 30 or greater.

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2
Q

What is the current prevalence of obesity in adult Americans?

A

The overall prevalence of obesity in adult Americans is 41.9%.

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3
Q

Which adult demographic groups carry a higher burden of obesity?

A

Black and Hispanic adults carry a higher burden of obesity.

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4
Q

What is the prevalence of obesity in children?

A

Nearly 1 in 5 children has obesity.

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5
Q

What was the estimated overall cost of obesity in 2019, and the extra healthcare cost per person with obesity?

A

The overall cost of obesity was estimated at 173 billion dollars in 2019, with each person incurring an extra $1,861 in healthcare costs compared to peers with healthy weights.

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6
Q

Is obesity considered a multifactorial disease?

A

Yes, obesity is a multifactorial disease that requires a systematic approach for effective treatment.

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7
Q

What percentage of one’s BMI is estimated to be inherited based on twin and family studies?

A

Evidence from twin and family studies reports anywhere from 40-70% of one’s BMI is inherited.

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8
Q

What maternal factors increase the risk of children becoming obese?

A

Maternal obesity, gestational weight gain, gestational diabetes, and smoking increase the risk of their children becoming obese, as do weight at birth and rapid weight gain of the child.

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9
Q

How do socioeconomic status and poverty contribute to obesity?

A

Many areas with higher rates of poverty are food deserts where fresh foods are not readily available, and a lack of safe spaces for physical activity may also contribute.

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10
Q

What is the relationship between obesity and childhood/adult trauma, and mental health?

A

There is a significant relationship between obesity and childhood and adult trauma, including sexual abuse. Depression among patients with obesity is also common, and chronic stress can contribute to abdominal obesity and maladaptive eating behaviors.

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11
Q

What is a key component of preventing obesity related to patient education?

A

A key component of preventing obesity is educating patients on healthy living and providing resources to do so.

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12
Q

Why is BMI not a perfect measure of obesity, and what are its limitations?

A

BMI is not a perfect measure because individuals with high muscle mass may fall into the obesity range, older adults can have unhealthy fat mass with a healthy BMI, and some ethnicities (e.g., Asian populations) may have unhealthy metabolic outcomes at lower BMI ranges.

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13
Q

What alternative or additional screening tool is recommended to assess abdominal adiposity and cardiometabolic risk?

A

Waist circumference is a simple, low-cost screening tool that measures abdominal adiposity and can better predict cardiometabolic risk, with or without factoring BMI.

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14
Q

What waist circumference measurements indicate an increased risk for health complications in men and women?

A

A waist circumference of greater than 40 inches in men and greater than 35 inches in women indicates an increased risk for health complications.

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15
Q

How is the waist-to-hip ratio (WHR) calculated, and what values indicate increased risk?

A

WHR is calculated by dividing an individual’s waist circumference by their hip circumference. When WHR is above 90 for men and 85 for women, there is an increased risk of cardiovascular disease and other health complications.

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16
Q

What is the recommendation from the United States Preventive Services Task Force (USPSTF) for early intervention and prevention of obesity in children and adolescents?

A

The USPSTF recommends early intervention and prevention starting at 6 years of age (Grade B recommendation).

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17
Q

What is the American Academy of Pediatrics (AAP) recommendation for obesity screening in children?

A

The AAP recommends screening beginning at 2 years of age.

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18
Q

How is BMI assessed in children, and what are the percentile ranges for healthy weight, overweight, and obesity?

A

For children, a BMI percentile specific for age and gender is used. 5th-84th percentile is healthy weight, 85th-94th percentile is overweight, and greater than 95th percentile is obesity.

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19
Q

When are labs recommended for children based on their BMI percentile?

A

Labs might be necessary if a child’s BMI is in the overweight category (85th-94th percentile), and are recommended if the child falls into the obesity category (greater than 95th percentile).

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20
Q

According to the 2023 AAP guidelines, when is intensive health behavior and lifestyle treatment necessary for children?

A

Intensive health behavior and lifestyle treatment is necessary when children 6 years or older have a BMI in the 85th percentile or greater, and should be considered for those 2-5 years of age.

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21
Q

What defines the most effective intensive health behavior and lifestyle treatment for children with obesity?

A

The most effective treatment includes over 26 hours of face-to-face, multi-component treatment that engages the whole family for at least 3-12 months.

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22
Q

What are the AAP recommendations regarding pharmacotherapy and bariatric surgery for children with obesity?

A

Pharmacotherapy is recommended starting at age 12, and referrals for bariatric surgery consultation should be considered for those in the obesity range (class 2 obesity with a related comorbidity).

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23
Q

What are two tools used to quantify mortality risk in the management of obesity?

A

King’s Criteria and the Edmonton Obesity Staging System (EOSS) are two tools used to quantify mortality risk.

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24
Q

What is ‘obesity bias’ and its impact on patient care?

A

Obesity bias refers to the social stigma associated with being an unhealthy weight. It can prevent patients from seeking help and hampers efforts to stop the obesity epidemic.

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25
What percentage of first-year medical students demonstrated implicit and explicit weight bias in a large study?
Phelan and colleagues found that 74% of first-year medical students demonstrated implicit and 67% explicit weight bias.
26
What is the second largest discrimination factor reported after gender discrimination?
Weight is the second largest discrimination factor reported after gender discrimination.
27
How can healthcare professionals begin a conversation with a patient about their weight in a sensitive manner?
It is always a good idea to ask permission to discuss the topic and use patient-preferred language such as 'excess body weight' or 'higher weight' instead of 'obesity' or 'overweight'.
28
What are important considerations for the clinic environment and accommodations for patients with obesity?
Facilities must be functional and comfortable for larger patients, including furniture and medical equipment, and providers should consider offering patients the option of being weighed or being told their weight privately.
29
What is the cornerstone of obesity treatment for both initial weight loss and weight maintenance?
Lifestyle interventions, with diet and exercise, remain the cornerstone of treatment.
30
Name eight interventions documented in the literature shown to be effective in the management of overweight and obesity.
Health Coaching, Diabetes Prevention Programs, Exercise, Behavioral Therapy, Counseling with Meal Replacement, Dietary Counseling, Bariatric Surgery, and Pharmaceutical Intervention.
31
What is the role of culinary medicine in obesity management?
Culinary medicine helps patients understand day-to-day management of their kitchens and food choices, educates patients on healthy living, and can positively influence the health of family members.
32
What are the key components of a patient-centered health coaching approach?
Health coaching involves motivational interviewing, theories of behavior change, goal-setting, and accountability.
33
What is a valuable technique to implement when approaching the emotionally charged topic of obesity and facilitating patient-driven goals?
Motivational Interviewing is a valuable technique, allowing the patient to choose realistic goals and changes, and family members should be included when possible.
34
Why is it important to set realistic and manageable goals with patients for weight loss?
Setting realistic goals prevents discouragement and relapse, as small successes reinforce positive behaviors; overly high expectations can lead to discouragement and weight regain.
35
What was the key finding of the Diabetes Prevention Program (DPP) regarding weight loss compared to metformin for diabetes prevention?
Weight loss/lifestyle modification was more effective than metformin at increasing the prevention of diabetes, even for those who regained some weight.
36
What is the impact of exercise as an isolated intervention on weight loss?
The impact of exercise alone on weight loss is small, typically producing modest reductions in body mass, fat mass, and visceral fat.
37
What type of training is important for preserving resting metabolic rate and decreasing lean mass loss during weight loss?
Resistance training was shown to decrease the amount of lean mass lost during weight loss and also aids in improving cardiovascular fitness and insulin sensitivity.
38
What are the US Department of Health and Human Services recommendations for moderate and vigorous intensity exercise for adults?
At least 150-300 minutes a week of moderate intensity exercise (e.g., brisk walking) or 75-150 minutes a week of vigorous intensity aerobic activity (e.g., jogging).
39
What is the most consistent behavior correlated with weight loss maintenance found in weight control registries?
Increased exercise was the most consistent behavior correlated with weight loss maintenance.
40
What are the basic assumptions behind behavioral therapy for obesity management?
Behavioral therapy is based on the assumption that individuals with obesity have maladaptive eating and exercise behaviors, and modification of these behaviors may improve weight loss.
41
What is considered the 'gold standard' for behavioral therapy in general, and specifically for managing obesity and binge eating disorders?
Cognitive Behavioral Therapy (CBT) is the gold standard, particularly effective when individualized to the patient and their unique circumstances.
42
What cognitive restructuring methods can be used in CBT to reinforce healthy behaviors?
Methods include goal setting, self-monitoring, stress management, problem-solving, modifying the environment, and establishing behavioral contracts with non-food rewards.
43
How effective is behavioral therapy for weight loss according to a USPSTF meta-analysis?
A meta-analysis quantified behavioral therapy as 1.94 times more likely to have at least 5% weight loss after 12-18 months compared to control groups.
44
When is behavioral therapy most effective?
Behavioral therapy is more effective when interventions are longer and require more intensive behavioral changes.
45
What are some evidence-based dietary interventions supported by randomized control trials for weight loss, as outlined by the Academy of Nutrition and Dietetics?
Decreasing sugar-sweetened beverages, portion control, low-calorie diet, meal replacement/structured meal plan, very low-calorie diet, low carbohydrate diet, high protein diet with energy restriction, DASH diet with energy restriction, and Mediterranean diet with energy restriction.
46
What should providers counsel patients about regarding restrictive diets?
Providers should counsel patients on restrictive diets to ensure safety and prevent issues that may arise if diets are taken to an extreme level or are unsustainable.
47
When might low-calorie, liquid meal replacements be a worthwhile intervention to offer?
If a patient is open to low-calorie, liquid meals to quickly lose significant amounts of weight, especially those with significant risks for comorbidities or very high BMIs.
48
What were the previous and updated (2022) recommendations for bariatric surgery eligibility?
Previously recommended for BMI > 40, or > 35 with serious weight-related health problems. Updated recommendations (2022 ASMBS/IFSO) now start at BMI of 35 or greater, and even as low as 30 BMI if the patient has a metabolic disease.
49
What are non-surgical barriers to bariatric surgery that a provider should consider?
Patient’s financial status (insurance coverage, out-of-pocket costs), social stigma or bias, poor understanding of the surgery, and unrealistic expectations.
50
What are significant benefits of bariatric surgery related to comorbid conditions?
Benefits include reduction of comorbid conditions, such as 25-47% remission of diabetes (20-50% long-term remission), and reductions in hypertension, dyslipidemia, and obstructive sleep apnea.
51
What is the impact of bariatric surgery on long-term life expectancy for patients with and without diabetes?
A meta-analysis found bariatric surgery led to a median of 9.3 years longer life expectancy for patients with diabetes and a 5.1 year gain for patients without diabetes.
52
What are some long-term disadvantages or risks associated with bariatric surgery?
Long-term disadvantages include vitamin and mineral deficiencies (e.g., iron, B12), and risk for surgical scarring which can lead to obstruction and need for revision.
53
What are the indications for anti-obesity prescription medications?
A BMI of 30 or greater, or a BMI of 27 or greater with the presence of at least one obesity-related comorbidity.
54
How should anti-obesity medications be used in conjunction with other interventions?
These medications are used as an adjunct to lifestyle changes.
55
What socioeconomic factor impacts the use of anti-obesity medications, and the taking of obesogenic medications?
Participants above the poverty line and with private insurance were more likely to take anti-obesity medications. Conversely, those in the lowest socioeconomic status had the highest rates of taking obesogenic medications.
56
Name seven medications approved by the FDA for weight loss.
Orlistat, Phentermine/Topiramate, Naltrexone/Bupropion, Liraglutide, Semaglutide, Tirzepatide, and short-term sympathomimetic amines (Phentermine, Diethylpropion, Phendimetrazine).
57
What is the mechanism of action of Orlistat and its main side effects?
Orlistat is a pancreatic lipase inhibitor that reduces roughly 1/3 of fat absorbed. Side effects include loose fatty stool, urgency, and malabsorption of fat-soluble vitamins.
58
Describe the components and mechanism of Phentermine/Topiramate.
It combines the stimulant Phentermine (causing central release of norepinephrine, stimulating hypothalamic anorexigenic response) with the anticonvulsant Topiramate (known side effect of weight loss).
59
Which anti-obesity medication is a Glucagon-like peptide-1 receptor antagonist (GLP-1 RA) and is also used for diabetes at a lower dose?
Liraglutide (Saxenda at 3mg for obesity).
60
What are the newest generation anti-obesity medications that have revolutionized the market?
Semaglutide and Tirzepatide.
61
What is the mechanism of action of subcutaneous Semaglutide for weight loss?
It is a long-acting GLP-1 analogue that increases satiety and satiation, reduces hunger, and thereby reduces energy intake while enhancing glycemic control.
62
What is the average weight loss observed with Semaglutide at six months?
Average weight loss at six months with Semaglutide is around 11 percent.
63
What is the mechanism of action of Tirzepatide, and what was the average weight loss observed in studies?
Tirzepatide reduces appetite and food intake by activating receptors for GLP-1.
64
What is Semaglutide?
It is a long-acting GLP-1 analogue that increases satiety and satiation, reduces hunger, and thereby reduces energy intake while enhancing glycemic control.
65
What is the mechanism of action of Tirzepatide?
Tirzepatide reduces appetite and food intake by activating receptors for GLP-1 and glucose-dependent insulinotropic polypeptide (GIP).
66
What was the average weight loss observed in studies with Tirzepatide?
Participants averaged almost 21% weight loss at 36 weeks in one study.
67
What important concept in obesity management is highlighted by significant weight regain after stopping Tirzepatide?
This highlights the need for obesity to be managed as a chronic disease with the likelihood of long-term pharmaceutical treatment.
68
What cardiometabolic improvements have been observed with anti-obesity medications?
Decrease in waist circumference, LDL, triglycerides, and hemoglobin A1C, with an increase in HDL levels.
69
Which anti-obesity medication does not typically decrease blood pressure?
Blood pressure was not decreased with Naltrexone/Bupropion.
70
Which anti-obesity medications can increase heart rate?
Heart rate was shown to increase with Naltrexone/Bupropion and Liraglutide (exceptions: Orlistat and Phentermine/Topiramate).
71
What is a contraindication for Semaglutide and Tirzepatide related to mental health?
Reports of suicidal behavior and ideation would make these medications prohibitive in patients with a history of suicidal thoughts.
72
How does adding behavior modification and meal replacements to medication impact weight loss?
Medication with behavior modification can double weight loss compared to medication alone, and adding meal replacements can further triple the weight loss compared to medication alone, demonstrating a synergistic effect.
73
What physiological barriers contribute to weight regain after weight loss?
As bodies detect weight loss, hormonal, thermogenic, and neural adaptations occur to maintain homeostasis, often acting to keep patients at an unhealthy weight.
74
What common behaviors are associated with successful long-term weight loss maintenance?
Increasing access to readily available healthy foods, eating breakfast, limiting fat, restricting sugary beverages, fatty foods, and unhealthy foods, and incorporating more physical activity.
75
What are the key elements of an Intensive Health Behavior and Lifestyle Program (IHBLT) for children?
It is a child-focused, family-oriented intervention educating on nutrition, physical activity, and behavior change, with most effective interventions providing 26 hours of face-to-face lessons over 3 to 12 months.
76
What gradual transition occurs between parents and children regarding behavioral decisions related to obesity management?
A gradual transition occurs from parents being the primary agents of change in younger children to most behavioral decisions stemming from the patient in early teenage years.
77
Where can practitioners find resources for implementing intensive behavioral health programs for children and families with excess body weight?
The Centers for Disease Control and Prevention (CDC) website is an excellent resource, offering programs and partnerships such as MEND, Healthy Weight and Your Child (YMCA), Smart Moves for Kids/Bright Bodies, and Family-based behavioral treatment.
78
How can communities systematically approach obesity prevention?
By redesigning communities to make physical activity more accessible and leveraging digital technologies for healthy habits.
79
What is the main challenge of obesity treatment, beyond initial weight loss?
The main challenge of obesity treatment is long-term weight loss maintenance, as weight is gradually regained in a large percentage of individuals.
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