Moderate to vigorous physical activity and risk of upper-respiratory tract infection.

@article{Matthews2002ModerateTV,
  title={Moderate to vigorous physical activity and risk of upper-respiratory tract infection.},
  author={Charles E. Matthews and Ira S. Ockene and Patty S. Freedson and Milagros C Rosal and Philip A. Merriam and James R. H{\'e}bert},
  journal={Medicine and science in sports and exercise},
  year={2002},
  volume={34 8},
  pages={1242-8}
}
PURPOSE A "J"-shaped model has been proposed to describe the relationship between physical activity and risk of upper-respiratory tract infection (URTI). However, little epidemiologic evidence is available to support the contention that moderately active individuals are at lowest risk of URTI. This investigation examined differences in URTI risk between physically inactive and moderately active adults. METHODS Observational study of 547 healthy adults (49% women) aged 20-70 yr reported URTI… CONTINUE READING