Archive for February, 2007
Saturday, February 10th, 2007
Hydroxycitrate (HCA) is an inhibitor of the enzyme ATP citrate lyase, which is required in order to make new fatty acids.
In this study, the group that received HCA had double the weight loss as the placebo group. Skinfold measurements confirmed that the weight loss was primarily fat.
Abstract
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Wednesday, February 7th, 2007
Yohimbine, an alpha2 adrenergic receptor antagonist, effectively raises norepinephrine levels and enhances fat loss. The fat loss effect is due to both appetite suppression (via norepinephrine) and increasing fatty acid mobilization.
Some studies show that yohimbine causes anxiety. It does not appear to have the same cardiovascular risks as ephedra though, ...
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Tuesday, February 6th, 2007
This study evaluated the effectiveness of low intensity exercise compared to moderate intensity. Many of the benefits of exercise are achieved at lower intensities, but additional benefits (anaerobic capacity, aerobic capacity) require additional effort. Still, the low intensity group achieved improvements in aerobic capacity and heart rate during exercise.
Abstract
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Monday, February 5th, 2007
Walking significantly reduces triglycerides and apolipoprotein B. The study says brisk walking but 40% of heart rate reserve is not brisk, though not a stroll either.
The group that received diet instruction did not have any better results than the group that did not. Perhaps there were informational or adherence issues.
Abstract
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Friday, February 2nd, 2007
Exercise can hasten the adaptations that are necessary to adapt to a high fat diet. Fat oxidation rates increase when eating a high fat diet, but exercise makes it happen faster.
The highest fat oxidation rate achieved was around 147 grams per day, or about 5 ounces. This was accomplished by ...
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