Sweeteners are safe: but when are they useful?

Anticoagulants and pregnancy: when are they safe?

Prescribing anticoagulants to pregnant women can be difficult and stressful. Fortunately, low-molecular-weight heparins (LMWHs) and unfractionated heparin are quite safe and efficacious when properly selected, dosed, and monitored. Maternal and fetal concerns must be considered at all times, with a careful assessment of the risks and benefits of anticoagulant therapy in each patient. Further re...

Learning object repositories are useful, but are they usable?

Learning Object Repositories seems to be the solution to facilitate the sharing and reusing of learning material. As useful as they may appear, Learning Object Repositories are not in widespread use among faculty around the world. There are indications that the amount of work and time required to use the Repositories is the main reason for the reluctance of teachers. This work analyzes the tool...

Vitamins, Are They Safe?

The consumption of a daily multivitamin among people all over the world is dramatically increasing in recent years. Most of the people believe that if vitamins are not effective, at least they are safe. However, the long term health consequences of vitamins consumption are unknown. This study aimed to assess the side effects and possible harmful and detrimental properties of vitamins and to dis...

too many students’ congresses, are they necessary and useful?

New cardiovascular risk factors exist, but are they clinically useful?

There is substantial interest in identifying new risk factors for cardiovascular disease, to improve our understanding of disease biology and to account for the cases of heart disease that cannot be explained by known risk factors. Investigation of putative risk factors frequently involves the study of circulating biomarkers. In recent years, a spirited debate has arisen regarding the validity ...