Hyperthyroidism is the overactivity of the thyroid gland resulting in excessive production of thyroid hormones.
Symptoms are of gradual onset.
Earliest signs may be emotional lability and motor hyperactivity; decline in school performance may also be noted.
Causes are autoimmune (Grave's disease), inappropriate stimulation by trophic factors, passive release of preformed thyroid hormone stores in response to infections, trauma, or other offensive factors inside the body, and extra-thyroidal sources.
Short-term daily consumption or probiotic lozenges containing Lactobacillus rhamnosus GG (LGG) and Bifidobacterium lactis BB-12 confers benefits for gingival health, as well as reduces the plaque carriage of periodontal pathogens, in adolescent males, a study has shown.