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Fasting (weight loss strategies (Weight loss diets (Restrict energy intake…
Fasting
weight loss strategies
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Pharmacotheraphy
Olistat (Xenical)
-inhibits fat digestion and absorption. Undigested at is excreted in the faeces
-2-5% weight loss
-faecal urgency, spotting
-negative feedback if high fat consmption
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Surgery
-limit stomach size
-in the case of gastric bypass, it causes malabsorption which further reduces energy absorption
-achieved weight loss
-immediate improvements in blood glucose
-long term remission of type 2 diabetes, improvement in blood lipds and lowered risk of CVD
-require long term supplementation with vitamins and iron
-Increases risk of vitamin D, B12, iron deficiency anemia
-mild side effects include anal complications, heartburn, flatulence, vomiting
Excercise
-Increased energy intake
-change body composition but not weight loss
-increase lean body mass, increase BMR
Consequences
Shift to ketosis
-reduce appetite
-nausea, fatigue, bad breath
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Health at every size
-Focuses on reducing morbid obesity, not weight loss
-intuitive eating
-PA
-room for all foods
Improvements:
1.Physiological measures (blood pressure, blood lipids)
2.Health behaviours (PA, eating disorders)
3.Psychosocial outcomes (mood, self esteerm, body image)
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