Archive for 2006

Fat distribution and heart disease

Sunday, December 10th, 2006

Body fat distribution patterns are at least as important as BMI as a risk factor for heart disease. Waist to Hip Ratio (WHR) is a simple way to determine the degree of abdominal obesity. Men of normal weight are still at risk of heart disease if their WHR is high. Women''s ...

Leptin levels fall steadily during fasting

Saturday, December 9th, 2006

Leptin is part of our complex hunger signaling feedback system. Leptin levels are typically high in obese people, but because the signaling is impaired, they may still experience hunger even though body fat levels are high. Children that were required to fast for diagnostic lab testing experienced a steady fall in ...

Obesity and androgen levels in men

Friday, December 8th, 2006

Obese men were found to have lower levels of total and free testosterone compared to non obese men. But it is unclear which came first... the obesity or the low androgen levels. Fat cells do produce estrogen, which through a feedback system reduces testosterone levels. Abstract Related posts:Obese men have lower testosterone Testosterone levels ...

High intensity exercise with high protein, low fat diet produces greater fat loss

Thursday, December 7th, 2006

Subjects where put either on a 40% protein, 40% carb, 20% fat diet with high intensity aerobics and weight training or a food pyramid style 50-55% carb, 15-20% protein, < 30% fat diet with moderate intensity aerobic exercise. The high protein, low fat diet with high intensity exercise produced much greater ...

Post-exercise protein supplementation does not improve results for weight training seniors

Wednesday, December 6th, 2006

Seniors where put on a 12 week weight training program. Some received a post-exercise protein drink. Those receiving the protein post workout did not have better results than those who did not. Also, the group with the highest protein intake had similar improvements as the group with the lowest protein ...

School intervention reduces obesity and improves health of students

Tuesday, December 5th, 2006

8th graders at a New York City public school received health, nutrition and exercise intervention. Those participating significantly reduced body fat and improved health related markers across the board. These types of programs are desperately needed. Most kids do not receive any nutritional advice from their parents, most likely because they ...

Music during treadmill exercise

Monday, December 4th, 2006

This study found that listening to music during treadmill exercise produced more positive results (running speed, heart rate, perceived exertion and affect) than listening to no music. The style and volume of music had varied effects, with fast, loud music producing the best results. Abstract Related posts:Exercise volume and weight control The effect of ...

Soy protein and weight training

Sunday, December 3rd, 2006

Including soy protein did not improve body composition over weight training alone, but it did improve lipid levels including total cholesterol and LDL. The improved lipid levels where most likely due to soy isoflavones. It is interesting that the soy protein group did not have improved body composition. Whey protein does ...