Hyperthyroidism is when your thyroid-- the butterfly-shaped gland at the bottom of your neck, just above your collarbone -- makes too much thyroid hormone. Because your body relies on precise levels ...

Hyperthyroidism (overactive thyroid) doesn’t usually cause weight gain, though it may cause other weight changes. Sometimes, treatment for hyperthyroidism can lead to weight gain. Hyperthyroidism ...

Thyroid diseases cause under- or over-activity, enlargement, inflammation, or nodules. Symptoms range from fatigue, weight changes, and mood shifts to palpitations and heat or cold intolerance.

OBJECTIVE: Leptin regulates energy production rates and body weight, which are frequently altered in hyperthyroidism. Data on a possible interaction between leptin and thyroid hormones are ...

IN patients with thyrotoxicosis the concentration of tyrosine in plasma has been shown to increase 1,2 whereas concentrations of other amino acids except glutamic acid have been normal. 3 When loads ...