What are the functions and effects of Shuang Shen?

Shuang Shen, the root of the plant species Gynura segetum (D.C.) Sweet from the Compositae family, is typically used in traditional Chinese medicine for nourishing the kidneys and strengthening the body, promoting blood circulation to regulate menstruation, replenishing qi and nourishing blood, clearing heat and detoxifying, as well as calming the mind and soothing nerves. Detailed functions and effects are as follows:

1. Nourishing the Kidneys and Strengthening the Body: Shuang Shen can alleviate symptoms caused by kidney deficiency, such as lower back pain, seminal emission, and impotence. It helps to replenish kidney energy, enhance kidney function, and thereby improve men's health.

2. Promoting Blood Circulation and Regulating Menstruation: Shuang Shen has the effect of promoting blood circulation and regulating menstruation. It can treat conditions such as irregular menstruation, infertility, and amenorrhea, improve blood circulation, regulate endocrine function, and help women restore normal physiological function.

3. Replenishing Qi and Nourishing Blood: Shuang Shen contains abundant nutrients and can supply the body's required energy, thus replenishing qi and nourishing blood. Appropriate consumption of Shuang Shen can relieve symptoms such as pallor and fatigue caused by qi and blood deficiency.

4. Clearing Heat and Detoxifying: Shuang Shen is neutral and slightly cold in nature and enters the lung meridian, thus clearing heat and detoxifying. It has a certain therapeutic effect on symptoms such as chronic cough due to lung deficiency and dry throat with little phlegm, helping to eliminate internal heat pathogens and improve respiratory health.

5. Calming the Mind and Soothing Nerves: With a sweet taste, Shuang Shen enters the heart meridian and can nourish heart blood, calm the nerves, and effectively relieve symptoms such as insomnia with frequent dreams, palpitations, and anxiety. It helps improve sleep quality and reduce anxiety.

During recuperation, individuals should maintain healthy habits, ensure adequate sleep, improve dietary structure, and adjust their physical condition when taking the herb.