What is thyroid?
A gland at front of the neck , it's a butterfly shape, it secrets thyroid hormones, which controls your metabolism. If under active you have tendency to gain weight, lose some hair. If overactive you may lose weight, have palpitation and thyroid crisis which is very serious.
It can also have nodules, enlarge, called Goitre. It can be active, normal or cancerous. All these are treatable and can be