As an endocrinologist, I found the discussion on thyroid disorders comprehensive. However, it would benefit from mentioning the importance of TSH reference range individualization. - https://www.wein-und-stein.de/Aktivitaten/Kur/kur.html , HbA1c is useful but has limitations in patients with hemoglobinopathies or recent blood loss. Continuous glucose monitoring is changing diabetes management. .