Archive for December, 2006

Protein and metabolism

Saturday, December 30th, 2006

Higher protein intake is associated with increased satiety and a reduced energy efficiency. This results in greater fat free mass and less fat mass. The researchers defined a higher protein diet as one that contains a normal amount of protein grams for a weight maintenance diet...but with a reduced calorie intake. Abstract

High sucrose diet does not increase insulin resistance

Friday, December 29th, 2006

Subjects given a high sucrose diet had similar results to those on a low sucrose diet. The diets were balanced for calories and fiber. It should be noted that both groups experienced increased cholesterol levels and neither group had any improvement in their insulin sensitivity...which was already bad. But sucrose was''nt ...

Fatness versus Fitness

Thursday, December 28th, 2006

Obese subjects that are fit (as measured by max VO2) still have cardiovascular risk factors such as increased fasting insulin, C-reactive protein and total cholesterol/HDL. Normal weight subjects at the same fitness levels did not have these risk factors. Can you be fat and healthy? Well, obesity is positively associated with ...

Fat foods

Wednesday, December 27th, 2006

In men, obesity is associated with a higher intake of beef. In women, it's hamburger, fried chicken, hot dogs, bacon or sausage, eggs, french fries and overall fat consumption. High fiber cereal, fruit and overall fiber intake were associated with lower BMI. Abstract

Swimming as effective as walking for weight loss

Tuesday, December 26th, 2006

Many have suggested that swimming was not as effective as land based exercise for weight loss. The reasoning was that swimming in cold water encourages a insulating fat layer. In this study, swimming was as effective for weight loss as walking... as long as the intensity, duration and frequency was the ...

Obesity phenotype is retained after weight loss

Saturday, December 23rd, 2006

Obese subjects were put on a low calorie, liquid diet to reduce 50% of their obesity. Those with lower body fat distribution (pears) reduced their visceral fat to a normal level. Those with upper body fat distribution (apples) reduced their visceral fat... but not enough to normalize their cardiovascular risk ...