Analysis of the life-style and dietary habits of a population of adolescents.

Objectives: The aims of this study were: (i) to ascertain whether the nutritional status of a population of secondary school students had improved after an educational intervention; (ii) to analyze whether students had adopted healthier eating and exercise habits after participating in a health education intervention; (iii) to discover whether the students spent less time on sedentary leisure activities after the intervention.

Sample And Methodology: The population of the sample consisted of 138 adolescents, age range was between 14-19 years old: 67 males (48.6%) and 71 females (51.

Relationship power in the couple and sexual double standard as predictors of the risk of sexually transmitted infections and HIV: multicultural and gender differences.

The goal of this work is to determine whether relationship power in couples and sexual double standard can predict the risk of sexually transmitted infections/human immunodeficiency virus (STI/HIV) as a function of cultural and gender differences. The sample was made up of 689 adolescents living in Spain, of both sexes, aged between 14 and 19 years, who were sexually active in the past six months and who had a stable partner. Of them, 58.

Effect of manipulating positive and negative feedback on goal orientations, perceived motivational climate, satisfaction, task choice, perception of ability, and attitude toward physical education lessons.

This study examined the effect of different types of feedback on goal orientation, perception of motivational climate, satisfaction, and boredom in physical education (PE) classes, pupils' preferences for challenging versus easy tasks, pupils' attitudes towards PE lessons, and perception of gymnastic ability. 95 subjects in three treatment conditions (positive feedback, negative feedback, and both feedback types) participated in 14 lessons and completed pre- and postintervention measures. Results showed that subjects in the positive feedback group had significantly higher scores on learning-oriented motivational climate and enjoyment than the subjects of the negative feedback group.

The effectiveness of different acid irrigating solutions in root canal cleaning after hand and rotary instrumentation.

The goal of this study was to evaluate the cleaning ability of three acid irrigating solutions after hand and rotary instrumentation. Eighty human teeth were randomly divided in eight groups. Four groups were prepared with hand instrumentation and other four with ProTaper.

Situation of drug information centers and services in costa rica.

Unlabelled: PAHO establishes guidelines that must be met by drug information centers (DIC) and the drug information services (DIS).

Objective: To describe the operations, activities, and resources of the DICs and the DISs affiliated with public institutions of Costa Rica, and their adjustment to the provisions set forth by the PAHO.

Methods: Descriptive study conducted in May 2003.

Differential effect of in vitro degradation on resin-dentin bonds produced by self-etch versus total-etch adhesives.

Objective: To evaluate the effect of an in vitro challenge (NaOCl immersion) on microtensile bond strength (MTBS) of five adhesive systems to dentin.

Methods: Flat dentin surfaces from 40 molars were bonded with three total-etch adhesives (Single Bond, Prime&Bond NT and the experimental Prime&Bond XP), and two self-etching agents (Clearfil SE Bond and Etch&Prime 3.0).

Changes in knowledge after attending a community pharmacists' asthma workshop.

Background: Pharmacists can play an important role in both the detection of asthma and its monitoring in patients with asthma.

Objective: To assess the change in asthma knowledge, and associated variables, of pharmacists attending the "Pharmacotherapy follow- up of Adult Bronchial Asthma" workshops run by the Pharmaceutical Care Center of Stada Laboratories.

Methods: All participants in the "Pharmacotherapy follow-up of Adult Bronchial Asthma" workshops completed a pre-test and a post-test.

Solid industrial wastes and their management in Asegra (Granada, Spain).

ASEGRA is an industrial area in Granada (Spain) with important waste management problems. In order to properly manage and control waste production in industry, one must know the quantity, type, and composition of industrial wastes, as well as the management practices of the companies involved. In our study, questionnaires were used to collect data regarding methods of waste management used in 170 of the 230 businesses in the area of study.