ANATOMY

Detailed explanation-1: -Or maybe your throttle’s on idle with symptoms of depression, fatigue, and weight gain. In both cases, the root cause may be your thyroid. The thyroid–a butterfly-shaped gland in the front of your neck–makes hormones that control the way your body uses energy.

Detailed explanation-2: -An overactive thyroid (hyperthyroidism) makes you sweat more, feel hot, lose weight, or makes your heart beat faster. An underactive thyroid (hypothyroidism) does the opposite. You might feel cold, gain weight, and get a slower heartbeat.

Detailed explanation-3: -The most common cause of hypothyroidism is an autoimmune disease called Hashimoto’s disease. Autoimmune diseases happen when the immune system makes antibodies that attack healthy tissues. Sometimes that process involves the thyroid gland and affects its ability to make hormones. Thyroid surgery.

Detailed explanation-4: -Both weight gain and weight loss are possible side effects. Many people do not take the right dosage of levothyroxine, and both undertreatment and overtreatment can have an effect on weight. Levothyroxine weight gain may be tied to undertreatment, according to the ATA.

Detailed explanation-5: -Iodine deficiency is the most common cause of goiter. The body needs iodine to produce thyroid hormone. If you do not have enough iodine in your diet, the thyroid gets larger to try and capture all the iodine it can, so it can make the right amount of thyroid hormone.