Are postal prompts really ineffective?

Dieting: really harmful, merely ineffective or actually helpful?

Dieting has developed a negative reputation among many researchers and health care professionals. However, 'dieting' can refer to a variety of behavioural patterns that are associated with different effects on eating and body weight. The wisdom of dieting depends on what kind of dieting is involved, who is doing it, and why. Thus, depending on what one means by the term, dieting can be quite ha...

Zinc in Acute Bronchiolitis: Is It Really Ineffective?

Dear Editor I read with great interest the article by Heydarian et al [1]. The authors had conducted a clinical trial and found that zinc supplementation did not benefit clinical manifestations of acute bronchiolitis. The study is well described, but there are few points that need comment. The authors described that bottles of drug and placebo were similar in size and shape. However, it is well...

Roles Are Really Great!

We present a new role system for specifying changing referencing relationships of heap objects. The role of an object depends, in large part, on its aliasing relationships with other objects, with the role of each object changing as its aliasing relationships change. Roles therefore capture important object and data structure properties and provide useful information about how the actions of th...

Are Methods Really Useful?

Roles Are Really Great!