Category Archives: Leptin

Overweight? Get Your Zinc

Posted on July 13, 2014 by Robert Barrington

Obesity is characterised by metabolic dysfunction that includes insulin and leptin resistance. This dysfunction leads to a derailing of normal appetite and energy regulation and this results in hyperphagia and reductions in resting, postprandial and post-exercise metabolic rates. This is … Continue reading →

Posted in Leptin, Leptin Resistance, Micronutrients, Obesity, Trace Minerals, Weight Loss, Zinc | Comments Off on Overweight? Get Your Zinc

The Trouble With The Glycaemic Index

Posted on June 15, 2014 by Robert Barrington

The glycaemic index (GI) is a measure of the rate of increase in plasma glucose following consumption of a carbohydrate food. Generally a reference food which is either white bread or glucose power is given a value of 100, and … Continue reading →

Posted in Carbohydrate, Fructose, Ghrelin, Glycaemic Index, Glycaemic load, Insulin, Leptin | Comments Off on The Trouble With The Glycaemic Index

Leptin and Insulin Resistance: The Perfect Storm for Weight Gain

Posted on June 14, 2014 by Robert Barrington

The increase in Western-style food consumption in recent decades mirrors increases in obesity and insulin resistance seen in the populations of developed nations. The ‘eat-too-much, do-too-little’ theory of weight gain suggests that excessive calorie intake combined with a limited amount … Continue reading →

Posted in Adipose Tissue, Brain, Energy Expenditure, Insulin, Insulin Resistance, Leptin, Weight Loss, Western Diet | Comments Off on Leptin and Insulin Resistance: The Perfect Storm for Weight Gain

Vitamin D And Insulin Resistance

Posted on April 9, 2014 by Robert Barrington

The classic deficiency diseases of vitamin D are osteomalacia in adults and rickets in children. Until recently, vitamin D was considered an unimportant vitamin except for its role in preventing these diseases. However, within the last few decades it has … Continue reading →

Posted in Adiponectin, Diabetes, Glycaemia, Insulin Resistance, Leptin, Vitamin D | Comments Off on Vitamin D And Insulin Resistance

Energy Expenditure In More Detail

Posted on January 17, 2014 by Robert Barrington

  Daily energy expenditure is composed of three main components, the resting metabolic rate (RMR), the thermic effect of food (TEF) and the thermic effect of activity (TEA). The resting metabolic rate is the energy required by the body to … Continue reading →

Posted in Insulin Resistance, Leptin, Resting Metabolic Rate (RMR), Thermic Effect of Activity (TEA), Thermic Effect of Food (TEF), Weight Loss | Comments Off on Energy Expenditure In More Detail

Forced Calorie Restriction: More Evidence of Metabolic Damage

Posted on November 16, 2013 by Robert Barrington

Forced Calorie restrictive diets that attempt to coerce the body into accepting a lower level of fat mass are dangerous and do not work. That they cause metabolic damage is well evidenced in the scientific literature. Such dietary regimens are … Continue reading →

Posted in Abdominal Obesity, Insulin Resistance, Leptin, Metabolic Syndrome, Obesity, Resting Metabolic Rate (RMR), Thermic Effect of Food (TEF), Weight Loss | Tagged , , | Comments Off on Forced Calorie Restriction: More Evidence of Metabolic Damage

Forced Calorie Restriction Diets: More Evidence of Failure

Posted on November 2, 2013 by Robert Barrington

Many people believe that fat loss is only possible with forced calorie restriction. This is so ingrained in the psyche of the mainstream arena that to question the idea results in an incredulous response. That forced calorie restriction does not … Continue reading →

Posted in Body Fat, Insulin Resistance, Leptin, Weight Loss | Tagged | Comments Off on Forced Calorie Restriction Diets: More Evidence of Failure

Why Do Low Fat Foods Taste Good?

Posted on August 27, 2013 by Robert Barrington

ow fat foods have become popular in recent decades because of the erroneous believe that dietary fat causes obesity and leads to cardiovascular disease. However, dietary fat is appealing to human tastes and also provides texture to certain foods. Removing … Continue reading →

Posted in Abdominal Obesity, Aspartame, Cardiovascular Disease, Fructose, Insulin Resistance, Leptin, Metabolic Syndrome, Sucralose, Sucrose, Xylitol | Tagged , , , , , | Comments Off on Why Do Low Fat Foods Taste Good?

Fasting: Why Does it Help Weight Loss?

Posted on August 20, 2013 by Robert Barrington

here is a common misconception that weight gain and obesity are caused by a positive energy balance. This ‘eat-too-much, do-too-little’ theory of weight gain states that overconsumption of food or underperformance of physical activity causes a positive energy balance that … Continue reading →

Posted in Carbohydrate, Fasting, Fructose, Insulin, Insulin Resistance, Leptin, Metabolic Syndrome, Obesity, Weight Loss | Tagged , , , , | Comments Off on Fasting: Why Does it Help Weight Loss?

Overfeeding

Posted on July 14, 2013 by Robert Barrington

Obesity is claimed by many to be caused by greed on the part of the individual, such that a positive energy balance results in incremental weight gain. Evidence for this is claimed to come from overfeeding studies whereby normal weight … Continue reading →

Posted in Abdominal Obesity, Adipose Tissue, Fructose, Insulin Resistance, Leptin, Metabolic Syndrome, Obesity | Tagged , , | Comments Off on Overfeeding