The thyroid gland controls metabolism through the production of thyroid hormone.

Polymorphisms in various genes controlling appetite and metabolism predispose individuals to obesity when sufficient calories are present.

It releases hormones that control metabolism.

The thyroid gland is located on the front of the neck below the laryngeal prominence, and makes hormones that control metabolism.

Polymorphisms in various genes controlling appetite and metabolism predispose to obesity under certain dietary conditions.

In the next chapter we will learn what factors control appetite and metabolism, and how we can use this to build a successful weight-loss programme.

Located in the front of your neck, the thyroid gland makes hormones that control metabolism.

Polymorphisms in various genes controlling appetite and metabolism predispose to obesity when sufficient food energy present.

These thyroid hormones are transported throughout the body where they control metabolism (which is the conversion of oxygen and calories to energy).

The hormone is thought to act on the hypothalamus, the part of the brain that controls appetite and metabolism.