Thyroid is of 2 types and both are affected body in different ways with different symptoms. But, the question is how to prevent it, how to limit its symptoms that causes discomfort in our body.
Here we are discussing few precautions that can prevent thyroid:

Increase protein rich food in diet:
It is essential to take protein rich diet that helps thyroid gland to function normal.
Protein rich diet includes: Fish, pulses, nuts, chicken, wheat and flaxseed.

Intake of Selenium:
Selenium rich diet helps to balance body thyroxine levels and reduce the chances of developing Hashimoto’s thyroiditis.

Lower down the sugar:
Sugar in any form can act as a poison to body, it affects on metabolism and slower down the functioning of thyroid gland.

Mild exercises:
Regular exercises can improve your blood flow and enhances the metabolism to fight against certain diseases. Yoga and meditation are one of them to reduce body stress and relax the mind, keep it free from anxieties.

Use coconut oil:
Coconut oil is helpful in both ways either to apply it on body, its massage can reduce body pain, fatique and acidity or to eat it while cooking food (with cooking coconut oil).

Iodine in body:
It is indeed important to balance iodine quantity in diet to maintain thyroid normal activity and production.