9th February 2024

A 65-year-old male presents with visual loss.

A 65-year-old male presents with visual loss. He described that he has been bumping into objects frequently while walking. He has reported an increase in shoe size over the past six months. Visual field testing reveals a temporal visual loss bilaterally. Clinical examination reveals prominent forehead, mandible and nasolabial folds along with macroglossia.

Given the likely hormone responsible, which of the following best describes one of the biological functions of this hormone?