Association between moringness-eveningness preference and mental/physical premenstrual symptoms in Japanese females 12 to 31 years of age.

@article{Takeuchi2005AssociationBM,
  title={Association between moringness-eveningness preference and mental/physical premenstrual symptoms in Japanese females 12 to 31 years of age.},
  author={Hitomi Takeuchi and Tadashi Oishi and Tetsuo Harada},
  journal={Chronobiology international},
  year={2005},
  volume={22 6},
  pages={1055-68}
}
This study investigates the relationship between circadian typology, i.e., morningness-eveningness (M-E) preference, and the occurrence and severity of premenstrual mental and physical symptoms among 154 young Japanese female university students (range, 18 to 31 yrs; mean+/-S.D., 20.69+/-3.69 yrs) and 417 junior high school students (range, 12 to 15 yrs; mean+/-S.D., 14.29+/-0.67 yrs) living in an urban or suburban area of Kochi prefecture. Female university students experienced melancholy mood… CONTINUE READING