Rachel's primary care physician is concerned that her recent lifestyle might
be disrupting her circadian rhythm. What is the likely cause of this?
A. Rachel lost her job.
B. Rachel started working a night shift.
C. Rachel is no longer exercising.
D. Rachel is eating a lot of fast foods.



Answer :

Final answer:

Rotating shift work and travel across time zones can disrupt circadian rhythms, leading to various symptoms such as fatigue and insomnia.


Explanation:

Rotating shift work can disrupt an individual's circadian rhythm due to frequent schedule changes, leading to sleeping problems and potential signs of depression and anxiety. The mismatch between internal circadian cycles and the environment, such as in jet lag from traveling across time zones, can cause fatigue, irritability, and insomnia. Bright light therapy has shown promise in addressing circadian disruptions caused by irregular schedules or travel.


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