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Related Concept Videos

Hypothyroidism II: Pathophysiology01:23

Hypothyroidism II: Pathophysiology

Hypothyroidism is a disorder characterized by insufficient production of thyroid hormones, which regulate metabolism, energy balance, and multiple organ systems.TypesHypothyroidism is classified based on the level of dysfunction. Primary hypothyroidism results from intrinsic thyroid gland dysfunction, causing reduced hormone production despite normal or increased stimulation. Secondary hypothyroidism arises from inadequate thyroid-stimulating hormone (TSH) secretion by the pituitary. Tertiary...
Graves' Disease I: Introduction01:28

Graves' Disease I: Introduction

Graves' disease is an autoimmune disorder that causes hyperthyroidism, or overactivity of the thyroid gland. It results from autoantibodies called thyroid-stimulating immunoglobulins (TSIs), which bind to thyroid-stimulating hormone (TSH) receptors, leading to overstimulation of hormone production and a hypermetabolic state.EtiologyAlthough considered idiopathic, Graves’ disease has well-established contributing factors. There is a strong genetic component, with increased prevalence in...
Hyperthyroidism II: Pathophysiology01:27

Hyperthyroidism II: Pathophysiology

Hyperthyroidism is a hypermetabolic state caused by elevated levels of thyroid hormones, triiodothyronine (T3) and thyroxine (T4). It results from dysregulation at the thyroid, pituitary, or immune system level and affects multiple organ systems.PathophysiologyThe most common cause of hyperthyroidism is Graves’ disease, an autoimmune disorder in which antibodies, specifically thyroid-stimulating antibodies (TSAb), a subtype of TSH receptor antibodies (TRAb), bind to and activate TSH receptors...
Synthesis and Regulation of Thyroid Hormones01:20

Synthesis and Regulation of Thyroid Hormones

Low blood levels of the thyroid hormones — triiodothyronine (T3) and thyroxine (T4) — signal the hypothalamus to release the thyrotropin-releasing hormone (TRH). TRH then reaches the pituitary gland and stimulates the release of thyroid-stimulating hormone(TSH) into the bloodstream.
Upon reaching the thyroid gland, TSH stimulates the follicular cells' active uptake of iodide ions from the blood. The ions diffuse to the apical surface of the cells and are oxidized to iodine. The iodine is then...
Functions of Thyroid Hormones01:18

Functions of Thyroid Hormones

The thyroid hormone (TH) plays a pivotal role in the intricate orchestration of physiological processes, exerting profound effects on development, metabolism, and homeostasis throughout different life stages.
TH is indispensable for the normal development and maturation of the skeletal, muscular, and nervous systems during fetal and childhood growth. It facilitates bone mineral turnover and regulates protein synthesis in developing tissues, contributing significantly to overall growth and...
Depression: Overview01:18

Depression: Overview

Depression is a prevalent mental illness marked by persistent sadness and lack of interest in previously enjoyable activities. It can take several forms, including major depression, persistent depressive disorder, and bipolar I and II disorders. Symptoms range from emotional changes like chronic worry to physical changes like sleep disturbances and suicidal thoughts. From a neurobiological perspective, depression is believed to be triggered by abnormalities in the brain's prefrontal cortex,...

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Related Experiment Videos

The Correlation between Thyroid Function and Mental Disorders: An Overview and Future Prespectives.

Kewen Cheng, Yi Zhang, Chunhai Zhang

    Neuroendocrinology
    |July 9, 2026
    PubMed
    Summary

    Thyroid hormones (TH) impact mental health, with abnormal levels linked to disorders like depression and schizophrenia. Early screening and combined treatment of thyroid and mental health conditions are crucial for effective management.

    Related Experiment Videos

    Area of Science:

    • Endocrinology
    • Psychiatry
    • Neuroscience

    Background:

    • Thyroid hormones (TH) regulate metabolism and nervous system development.
    • Abnormal TH levels are associated with mental disorders like depression, anxiety, bipolar disorder, and schizophrenia.
    • Thyroid dysfunction, including hyperthyroidism and hypothyroidism, impacts mental well-being.

    Purpose of the Study:

    • To systematically review the link between thyroid dysfunction and mental disorders.
    • To explore pathological mechanisms, epidemiological characteristics, and comorbidity patterns.
    • To highlight the clinical value of combined screening and precision intervention.

    Main Methods:

    • Systematic literature review of epidemiological data.
    • Analysis of pathological mechanisms linking thyroid function and mental disorders.
    • Evaluation of thyroid autoantibodies, hormone supplementation, and screening.

    Main Results:

    • Thyroid autoantibodies play a pathogenic role and have biomarker value.
    • Thyroid hormone supplementation can be adjunctive in treating mental disorders.
    • Early thyroid function screening is clinically significant.

    Conclusions:

    • The interactive relationship between thyroid and mental disorders has significant clinical value.
    • Interdisciplinary approaches are essential for combined screening and precision intervention.
    • Further research is needed to address study limitations and advance clinical management.