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Risks of central obesity
(Fat deep within central abdominal area)
Some types of cancer
1. Normal blood pressure
2. Normal blood lipids
3. Normal blood glucose and insulin levels
Components of energy expenditure/ affect BMR
Weight (kg) /height (in)
1. How much of that is fat?
2. Where is the fat located?
Other ways to assess body fatness
DEXA: dual-energy X-ray absorptiometry
BMI + Weight Cirumferance
Helps analyze visceral fatness, can help identify risk for chronic disease
Signals for food intake regulation (and factors that affect them)
Hormones- ghrelin, our hunger drive is greater than our satiety drive.
Sensory nerve signals- we eat more if bigger portions
Body response to moderate weight loss
Body will gradually use up fuel/fat stores if a person will:
-moderately restrict calories
-consume balanced diet
Body response to feasting
Carbs- to glucose, to liver and muscle, rest as fat
Fat- fatty acids to fat stores
Protein- amino acids and extra nitrogen lost in urine
Body response to fasting
(Body draws on stores)
-Liver and muscle glycogen-stores broken down to glucose for energy
-Body fat stores- fatty acids to energy
Body response if fast continues beyond glycogen depletion
Body protein- broken down to amino acids, glucose/nitrogen/ketone bodies for ENERGY
Body fat- broken down to fatty acids to ketone bodies and ENERGY.
Body response to weight gain
Excess protein, minerals often excreted. Most extras stored as excess GLYCOGEN or FAT.
Healthy strategies for weight management
Realistic target, Small-step goals, keep records, plan diet, adequate diet, portion sizes, use concept of energy density.
Pros and Cons of Liposuction:
Takes away fat fast, but if it comes back it often looks even worse. Doesn't bring benefits that follow weight loss.
Pros and Cons of Gastric Bypass
Dramatic and lasting weight loss
Rapid relief from disease risk
Bone loss/calcium metabolism issues
Pros and Cons of Obesity Medications
Often good if prescribed by doctor
If not legit, can have really bad ingredients and side effects
Even legit can only help while taking them, not long-term
Characteristics of Healthy Paradigm:
-Value self and others for more than physical appearance.
-Never use degrading descriptions of your body
-Become active because you like it
-Seek help from friends and family
-Don't diet to lose weight
-Follow USDA guidlines
-Fight weight descrimination
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