Thyroid problems are quite common – more than 800 million people worldwide have an enlarged thyroid. A doctor examines a thyroid gland with an ultrasound. Photo: ShutterstockThyroid problems are quite common – more than 800 million people worldwide have an enlarged thyroid. A doctor examines a thyroid gland with an ultrasound. Photo: Shutterstock
Thyroid problems are quite common – more than 800 million people worldwide have an enlarged thyroid. A doctor examines a thyroid gland with an ultrasound. Photo: Shutterstock

The thyroid gland explained: what it does, keeping it healthy, and what happens if it goes wrong

  • The thyroid is a gland in the neck essential to controlling cell metabolism. Some 800 million people with iodine deficiency have a swollen thyroid, or goitre
  • Thyroid diseases can hit at any age, and are more likely to affect women. Exercise, sleep, and a healthy diet keep the gland healthy; avoid some raw vegetables

Topic |   The human body
Thyroid problems are quite common – more than 800 million people worldwide have an enlarged thyroid. A doctor examines a thyroid gland with an ultrasound. Photo: ShutterstockThyroid problems are quite common – more than 800 million people worldwide have an enlarged thyroid. A doctor examines a thyroid gland with an ultrasound. Photo: Shutterstock
Thyroid problems are quite common – more than 800 million people worldwide have an enlarged thyroid. A doctor examines a thyroid gland with an ultrasound. Photo: Shutterstock
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