Diabetes and Obesity Flashcards
What is obesity?
Abnormal or excessive fat accumulation that may impair health
How is obesity measured mainly?
Body mass index also known as BMI
What is the BMI classification for adults who are underwieght?
Less than 18.5kg/m2
What is the BMI classification for adults who are a healthy weight?
18.5 to 25kg/m2
What is the BMI classification for adults who are overweight?
25 to 30kg/m2
What is the BMI classification for adults who are obese?
More than 30kg/m2
What does it mean for a child to have an over weight BMI?
Greater than 1 standard deviation above the WHO Growth Reference median
What does it mean for a child to have an obese BMI?
Greater than 2 standard deviations above the WHO Growth Reference median
Is BMI a good measure of obesity?
Only correlates with amount of total body fat
What are some other measures of obesity?
Fat distribution
Total and fat distribution
Body composition
What is fat distribution?
Body circumference and skin fold thickness
What is total and fat distribution?
BIA
DXA
CT
MRI
What is BIA?
Bioelectrical impedance analysis
What is DXA?
Dual X-ray absorptiometry
What is CT?
Computed tomography
What is MRI?
Magnetic resonance imaging
What is body composition?
Hydro densitometry
Air displacement
Plethysmography
How have childhood obesity rates changed from 1975 to 2016?
Increased massively
What causes obesity?
Energy imbalance between calories consumed and calories expended
Increased consumption of ‘energy-dense’ food and drink
Decrease in physical activity and increase in sedentary behaviour
What are some examples of health problems associated with obesity?
Diabetes
Blood pressure
CVD
Asthma
Sleep Apnea
What is diabetes?
Diabetes is a condition in which the body cannot control blood sugar levels, because of problems with the hormone insulin.
What is gestational diabetes?
High blood glucose that develops during pregnancy and usually disappears after giving birth
What is type 1 diabetes?
An autoimmune condition
What is type 2 diabetes?
Mainly lifestyle influenced