Poor Muscle Strength and Low Physical Activity Are the Most Prevalent Frailty Components in Community-Dwelling Older Adults.

Objective: To determine the prevalence of five physical frailty phenotype components and to assess the relationship between them and other clinical factors.

Method: A population-based cross-sectional study was performed. Subjects 75 years and older were randomly selected from primary care databases (with sampling stratified by gender).

[Social and work conditions, risk behavior and prevalence of sexually transmitted diseases among female immigrant prostitutes in Madrid (Spain)].

Objective: To describe the sociodemographic characteristics, work conditions, sexual behavior, and prevalence of HIV, hepatitis B (HBV), and hepatitis C (HCV) infection and of other sexually transmitted infections among a group of female immigrant prostitutes in Madrid.

Methods: We performed a descriptive study of a group of immigrant women who worked as prostitutes and who attended a sexually transmitted diseases (STD) clinic in Madrid in 1999 and 2000. Information was collected on sociodemographic characteristics, work conditions, use of injected drugs, and sexual practices with their clients and in their private lives.

Prerigor injection using glycolytic inhibitors in low-quality beef muscles.

The objective of this experiment was to determine the effect of prerigor injection of several glycolytic inhibitors on pH, color, tenderness, and related traits of low-value beef cuts. The semimembranosus, triceps brachii, and supraspinatus muscles from each of 10 steer carcasses were removed 1 h postmortem. Control samples remained in the carcass at 2 degrees C for 24 h.