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biological rythms - Coggle Diagram

- - - - research into shift work has shown that shift workers are more likely to develop heart disease, have lowered vigilance and have more anxiety
- - - - bundles of fibres found in the hypothalamus, connected to the viisual cortex and recieves information about light
      - the oineal gland recieves information from the scn and it secretes melatonin which induces sleep. it also has influencde on the adrenal gland which secretes cortisol which induces wakefulness
  - - - key zeitgeber in humans that can reset the scn.
    - - research suggests that adapting to local times for eating and sleeping rather than responding to own feelings of hunder anf tiredness is an effective way of resetting circadian ryrhms that have been desynchronised due to travel over long distances