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What causes depression?

Nov 14, 2025 Source: Cainiu Health
Dr. Zhang Baohua
Introduction
In general, depression may be caused by factors such as neurotransmitter imbalances, genetic influences, neurasthenia, hypothyroidism, or comorbid anxiety disorders. It is recommended to seek medical attention promptly, identify the underlying cause, and undergo symptomatic treatment under a doctor's guidance. In daily life, avoid excessive consumption of stimulating beverages such as coffee and strong tea.

Under normal circumstances, depression may be caused by factors such as neurotransmitter imbalances, genetic predisposition, neurasthenia, hypothyroidism, or comorbid anxiety disorders. It is recommended to seek medical attention promptly, identify the underlying cause, and undergo symptomatic treatment under a doctor's guidance. Specific analysis is as follows:

1. Neurotransmitter Imbalance: Abnormal secretion of mood-regulating neurotransmitters such as serotonin and dopamine can lead to low mood and reduced interest. Maintain a regular sleep schedule and avoid staying up late. Eat more nutrient-rich foods like nuts and deep-sea fish, and take a 20-minute outdoor walk daily to help stabilize neurotransmitter levels.

2. Genetic Factors: Individuals with a family history of depression are at higher risk and may have relatively weaker emotional regulation abilities. Actively learn emotional management techniques, avoid prolonged isolation, and regularly communicate with family and friends to relieve psychological stress.

3. Neurasthenia: Prolonged mental stress can cause nervous system dysfunction, gradually developing into depressive symptoms accompanied by insomnia and fatigue. Patients may take medications such as oryzanol tablets, vitamin B1 tablets, or diazepam tablets as prescribed, along with relaxation training to improve their condition.

4. Hypothyroidism: Insufficient thyroid hormone secretion leads to slowed metabolism, causing low mood and cognitive sluggishness. Follow medical advice to take medications such as levothyroxine sodium tablets, thyroid tablets, or oryzanol tablets to supplement hormones and regulate metabolism.

5. Comorbid Anxiety Disorder: Unrelieved chronic anxiety can easily trigger depression, manifesting as a combination of low mood and anxiety. Medications such as sertraline hydrochloride tablets, fluoxetine hydrochloride capsules, or fluvoxamine maleate tablets may be used as directed by a physician, combined with cognitive behavioral therapy.

In daily life, avoid excessive consumption of stimulants such as coffee and strong tea. Cultivate hobbies such as painting or gardening to divert attention from negative thoughts. Maintain a light and balanced diet, consuming plenty of fresh fruits and vegetables rich in vitamins to support physical and mental recovery.

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