Trends of Rural/Urban Homicide in Colombia, 1992-2015: Internal Armed Conflict and Hints for Postconflict.

Objective: To analyze the relationship between rural and urban homicide rates in Colombia between 1992 and 2015 and the fluctuations in these rates.

Methods: Individual records of homicides and population aggregates in men and women aged 15-64 years were used. The adjusted rates of annual homicides were calculated for urban/rural areas and standardized by age.

[Playing of wind instruments is associated with an obstructive pattern in the spirometry of adolescents with a good aerobic resistance capacity].

Objective: There is controversy in the medical literature regarding the beneficial or detrimental effects of playing wind musical instruments on the respiratory system. The aim of this study is to analyse this relationship, taking the physical condition of the subjects into consideration.

Design: Cross-sectional observational study.