It can be from any injury to the thyroid. It is usually an autoimmune condition where the body's immune system, which usually fights infections, attacks the thyroid gland.
Yes, I have this disorder and I hate eating breakfast but not eating enough nutrients accelerates the fatigue and weakness and these triggers diziness.
When the thyroid is overactive it releases more thyroxin. Thyroxin, in a nutshell, tells your body how fast to go. If you have too much thyroxin stimulating your heart then it will beat faster. The...