So, have athletes found a loophole to exploit that gives them an edge? literature survey to summarize 41 double-blind, placebo-controlled trials published over the past 15 years to establish what range of caffeine consumption would maximize benefits and minimize risk for cognitive function, mood, physical performance and hydration.— xml's Blinklist.com
The randomised, double-blind, crossover study analysed by brachial artery flow-mediated dilatation (FMD), a measure of endothelial dysfunction since a low value is indicative of a blood vessel's inability to relax, and nitrate-mediated dilation (NMD), which relates to nitric oxide, a potent endothelium-derived relaxing factor.— NutraIngredients-USA RSS
DESIGN: The Antihypertensive and Lipid-Lowering Treatment to Prevent Heart Attack Trial (ALLHAT), a randomized, double-blind, active-controlled clinical trial conducted from February 1994 through March 2002.— CiteULike: Everyone's library
The double-blind case control study used scalp hair and blood serum tests to determine the levels of zinc, lead, cadmium and aluminium in the two groups.— FoodQualityNews RSS
Dr. Michael Berk and colleagues, in a randomized, double-blind, placebo-controlled trial, evaluated the mood symptoms of individuals with bipolar disorder, half of whom received placebo and half of whom received NAC, as an add-on therapy to their usual treatment.— Health News from Medical News Today

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