NTDT200 Lecture Notes - Lecture 24: Fluid Ounce, Bulimia Nervosa, Binge Eating Disorder

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Lecture 24
Health and lifestyle consequences of eating disorders
Eating disorders can affect quality of life
Anorexia nervosa
Dehydration
Fatigue
Low body temperature
Hair loss
Demineralization of bone
Cessation of menstruation
Low blood pressure and loss of cardiac muscle
Bulimia nervosa
Electrolyte imbalances can result in life-threatening cardiac arrhythmias and death
Self-induced vomiting can lead to dehydration, teeth erosion, and esophageal damage
Binge eating disorder
Leads to or perpetuate obesity
Increased risk of obesity associated chronic diseases and overall mortality
Alcohol
Ethanol (chemical name)
Potentially intoxicating ingredient found in beer, wine, and liquor
Drug-like effects, acting as a CNS depressant
Provides energy of 7 kcal/g
Not a nutrient
National institute on alcohol abuse and alcoholism (NIAAA) -“abusive and underage college
drinking are significant public health problems, and they exact an enormous toll on the
intellectual and social lives of students on campuses across the United States”
Standard alcoholic drink
Comprises 14 g (0.6 fl oz) of pure alcohol (ethanol)
12 oz beer
5 oz wine
1.5 oz (a shot) of 80-proof distilled spirits or liquor
Moderate alcohol consumption per DGA
For men - 2 standard alcoholic drinks per day
For women - 1 standard alcoholic drink per day
Alcohol absorption and metabolism
Absorbed in stomach and SI - most absorbed in SI
Metabolized in the liver into fat for energy
Acetaldehyde is highly toxic and causes ill-effects caused by alcohol consumption
Influence of alcohol
Need to limit intake to prevent accumulation in the blood
Liver can only metabolize about an oz of alcohol per hour
Intoxication affected by
Person’s gender
Body weight and composition
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