Short communication: Algicide activity of antimicrobial peptides compounds against Prototheca bovis.

This study evaluated the in vitro activity of antimicrobial peptides pexiganan (MSI-78), h-Lf1-11, LL-37, cecropin B, magainin-2, and fengycin B against the veterinary mastitis agent Prototheca bovis. The results showed that pexiganan, h-Lf1-11, LL-37, and cecropin B were able to inhibit the growth and had effect on algicide P. bovis isolates (n = 32).

Occurrence of tinnitus and other auditory symptoms among musicians playing different instruments.

Introduction: Tinnitus is one of the most reported auditory symptoms among musicians and can negatively influence their ability to work, sometimes even more severely than hearing loss.

Objectives: To analyze the occurrence of tinnitus and other auditory symptoms in musicians who play different instruments.

Methods: One hundred musicians participated by answering a questionnaire on instrument played, practice time with the instrument, occurrence of tinnitus, hearing difficulties, and intolerance to loud sounds.

The use of psychoactive substances among medical students in southern Brazil.

The objective of our study was to investigate the patterns of use of psychoactive substances among students of a medical school in Southern Brazil and to explore a putative role of discrete behavioral and social variables in their drug use. This is a descriptive and transversal cut study. All regularly enrolled medical students at the University of Caxias do Sul were invited to participate in the study.