Obesity & Eating Disorders Flashcards

(45 cards)

1
Q

A BMI over what equals overweight or obese

A

Over 25 = overweight
Over 30 = obese

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2
Q

Obesity global epidemic stats

A
  • Rates have tripled since 1975
  • 38 million children under 5 were overweight or obese in 2019
  • 39% of the world adult population was overweight with 13% obese in 2016
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3
Q

Why has obesity risen?

A
  • Portion sizes
  • Convenience food
  • Food abundance/exposure
  • Flavour enhancers
  • Alcohol
  • Snacking
  • Speed of eating
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4
Q

Drivers of obesity:
How does a sedentary lifestyle add to this?

A
  • Reduced energy expenditure
  • Exercise increases glucose uptake and mitochondrial activity
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5
Q

Drivers of obesity:
Sleep

A

Sleep disruption creates hormonal imbalance that promotes overeating and weight gain
- Reduced glucose tolerance and insulin sensitivity
- Inflammatory pathways are activated

Work on sleep hygiene - epsom salts, stress, valerian, B6

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6
Q

Drivers of obesity:
Chronobiology (shift work, sleep deprivation, exposure to light at night increase adiposity)

A

Irregular eating patterns affect circadian rhythm and glucose control

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7
Q

Drivers of obesity: processed foods - palatability

A

Strong dopamine stimulators - fat, starch, alcohol, caffeine
Bliss point - combining fat, sugar and salt to maximise dopamine release
Artificially sweetened drinks have a 47% higher risk of increased BMI

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8
Q

Drivers of obesity:
High cortisol

A

An overactive HPA axis includes high GI consumption, stress, pain, alcohol, sleep deprivation

Stress can equal eating 50% more food and eating energy dense comfort foods

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9
Q

Drivers of obesity: Microbiome

A

E.g Lack of akkermansia munciniphilia

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10
Q

Drivers of obesity:
Genes

A

E.g A SNP on FTO is a strong predictor of obesity

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11
Q

Insulin resistance causes and risk factors:

A

Reduced physical activity
Chronic stress
Poor methylation
Dysbiosis

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12
Q

Signs and symptoms of insulin resistance

A

Lethargy
Hunger
Brain fog
Overweight
High blood pressure
High blood glucose

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13
Q

Naturopatic approach to insulin resistance

  1. Stabilise blood glucose levels
A

Increase fibre - it slows gastric emptying and a slower release of glucose
Restrict calories
Increase protein especially at breakfast as it helps normalise insulin secretion
Avoid processed food
B vits, chromium, magnesium

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14
Q

Naturopathic approach to insulin resistance

  1. Reduce inflammation
A
  • Avoid inflammatory foods e.g damaged fats and refined carbs
  • Increase antioxidants
  • Prioritise sleep
  • Green tea polyphenols help HBA1C
  • Prebiotic foods e.g leeks, onions, chicory
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15
Q

Naturopathic approach to insulin sensitivity

Optimise insulin sensitivity

A
  • Time restricted eating
  • Increase exercise
  • Vit D, zinc, chromium
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16
Q

Fasting glucose should be this for the lowest mortality

A

4.4-5.2mmol/l

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17
Q

How to reduce obesity

A

Chew well - 30 times
Palm sized protein with every meal
Fasting 16:8
Smaller portions
Exercise daily: 35 mins low intensity
Always have breakfast

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18
Q

5HTP obesity function

A

Increase satiety
Promotes sleep (enhances melatonin production)

50-100mg twice daily

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19
Q

Green tea obesity function

A

Polyphenols may stimulate thermogenesis and far oxidation

600-900mg daily
(3-4 cups of green tea)

20
Q

L- carnitine obesity function

A

Improves leptin resistance
Reduces BMI and fat mass

Up to 2000mg daily

21
Q

Chromium obesity function

A

Increases insulin sensitivity
Reduces carb cravings
Increases lean body mass

200-1000mcg chromoum picolinate

22
Q

Breaking habits

A

Identify the cue
Change the routine
Change the reward
Repetition is key

23
Q

Eating disorder environmental risk factors

A

Bullying and abuse
Difficult family relationships
Media - body image
Sports e.g ballet, dancing

24
Q

Eating disorder genetics

A

SNPs
Family history
Deficiencies e.g efa, zinc
Perfectionism

25
Anorexia Nervosa characteristics
Low body weight Fear of gaining weight Distorted perception 10% of all eating disorder Adolescence/early adulthood onset Males 25% 50% recover
26
Anorexia signs and symptoms (behavioural)
Excessive calorie counting Avoiding all fats Vegan/vegetarian Overexercising Excessive water intake/appetite supressants Socially isolated esp around mealtimes
27
Anorexia symptoms physical
Lack of energy Poor stress resilience Dizzy spells Amenorrhoea Constipation Poor concentration
28
Anoreixa concomitanr symptoms and complications
Anxiety and depression Poor skin, hair and nails Poor immunity Food intolerances Menstrual irregularities
29
Diagnosing anorexia
Intense fear of gaining weight BMI 17.5 and under Body dysmorphia Denies weight is an issue Dark circles under eyes Low mood due to less tryptophan Baggy clothing
30
Anorexia nutrient deficiencies Zinc
Confusion Depression Low stomach acid Recurrent infections Loss of motivation
31
Anorexia symptom deficiencies (magnesium)
Irritability Constipation Depression Insomnia
32
Anorexia tryptophan symptoms
Anxiety Low mood Bow irregularity
33
Anorexia protein deficiency
Fatigue and weakness Poor hair, skin and nails
34
Anorexia Omega 3 deficiency
Depression Dry skin
35
Anorexia B vits symptoms
Anxiety Confusion Poor stress resilience
36
Anorexia naturopathic nutrition aims
Redefine relationship with food Build a rapport and gain trust Emphasis on nutrients and health not kcal and weight Correct deficiencies
37
Anorexia consultation
Keep focus on nutrients Never recommend exclusions e.g gluten or dairy unless clear evidence ro help health Contain own self beliefs Avoid conversations about calories Do not discourage foods e.g chocolate etc just focus on reintroducing foods
38
Anorexia therapeutics - weight gain
Focus on nutrient dense warming foods Include bitters and probiotics Introduce essential fats for reproductive function Be empathetic but stay firm and consistent Focus on health not BMI Keep plans simple
39
Anorexia therapeutics re-establishing healthy eating
Focus on high energy, calorie and nutrient rich foods Co create a plan Acknowledge fear foods and try to expand safe foods list Only ask for food diary if necessary Negotiate how much willing to eat. It doesn’t need to be 3 meals and 2 snacks
40
Anorexia therapeutics - high calorie nutrient dense foods
Nut butters Avocado Quinoa Eggs Omega 3 fish Natural yog
41
Anorexia therapeutics - supplements
Zinc - must always be included as it helps with weight gain and depression (plus B6 for absorption Probiotics - yoghurt with certain strains increase immunity L-arginine is cardioprotective
42
Anorexia bach flowers
White chestnut - obsessive thinking Star of Bethlehem - past trauma Rock water - perfection Aspen - anxiety/impending doom
43
Bulimia characteristics
Bingeing followed by inappropriate methods of weight control Subtypes - Purging (vomiting, laxatives, diuretics, enemas) Non purging (fasting, excessive exercise) Must happen 2x week for 3 months
44
Bulimia signs and symptoms
Normal to slightly overweight Fasting/laxative abuse Binge eating Visiting toilet after meals Frequent weight changes Associated depression/anxiety Tooth erosion
45
Bulimia causes/risk factors
Shift working Alcohol consumption Glucose/food intolerances Jobs which require weight control