Thyroid Basics Explained: Hypothyroidism, Hyperthyroidism, Nodules, and When to Act
A plain-language guide to how the thyroid works, what hypothyroidism and hyperthyroidism mean, nodules and goitre context, common tests like TSH and free T4, red flags, and what to ask a clinician. Educational — not medical advice.
May 26, 2026
