Comparison of DNA damages in blood lymphocytes of indoor swimming pool lifeguards with non-lifeguards athletes.

Chlorination has been used as a major disinfectant process for swimming pool water in many countries. The purpose of this study is to compare the DNA damage of the blood lymphocytes in indoor pool lifeguards with non-lifeguards athletes. We performed a study in which the participants were Gonabad's lifeguards.

The Relationship between Coaches' and Athletes' Competitive Anxiety,and their Performance.

Objective: This study was performed to survey the relationship between coaches' and athletes' competitive anxiety, and their performance.

Methods: This is a descriptive correlational study performed using a demographic questionnaire, an athletic performance checklist, and sport competition anxiety test designed by Martens consisting of 15 questions. The study population consisted of 540 players and 60 coaches from 60 futsal teams (5 main players, 4 reserves, and 1 coach for each team).