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Restructure the following sentence to be more concise: "The reason why the company CEO decided to take an extended leave of absence was due to health concerns related to stress, which had been causing him to experience a variety of unpleasant symptoms, such as headaches, fatigue, and anxiety, and it was recommended by his doctor that he take some time off for rest and recuperation."

Relevant data:
'The CEO who was experiencing stress-related health issues followed his doctor's advice and took an extended leave of absence.'
gpt
The CEO took an extended leave due to stress-related health issues advised by his doctor.