Circannual rhythmicities of cortisol levels in the peripheral plasma of healthy subjects.

@article{Agrimonti1982CircannualRO,
  title={Circannual rhythmicities of cortisol levels in the peripheral plasma of healthy subjects.},
  author={F Agrimonti and Alberto Angeli and Roberto Frairia and Annamaria Fazzari and C Tamagnone and D Fornaro and F Ceresa},
  journal={Chronobiologia},
  year={1982},
  volume={9 2},
  pages={107-14}
}
Seasonal variations of endocrine function have been extensively studied both in rodents and in man. However, only few studies have attempted to concomitantly evaluate and compare circadian and circannual components by inferential rhythmometric procedures. We have examined [9] circadian profiles (single cosinor: P less than 0.01) of plasma cortisol obtained from samples drawn at 4-h intervals in healthy adult subjects of both sexes (71 males, 120 females, aged 20-54 years) along a 7-year span… CONTINUE READING