Ten typical symptoms of neurasthenia
1. Mental and physical fatigue, sleepiness during the day.
2. Inattention.
3. Recent memory decline.
4. Unresponsiveness.
5. Excitement.。
6. Sensitive to sound and light.
7. Irritability.
8. Pessimistic mood.
9. Sleep disorders.
10. Tension headache

Long-term neurasthenia and insomnia could lead to central nervous system disorder, neuron excitability and inhibition dysfunction, resulting in autonomic serve (sympathetic nerve and parasympathetic nerve) function disorder. Symptoms of the diease may include headaches, dizziness, failing memory, loss of appetite, palpitation, short breath, etc. As the disease progresses, dysfunctions in the endocrine and immune system may be diagnosed. Impotence, irregular menstruation or immunity deficiency could result. Eventually, the disordered nerve-endocrine-immune system becomes a part of a vicious cycle, which further deteriorates the neurasthenia patient’s health and well-being. Common hypnotics can only treat the neurasthenia symptoms. They do not resolve the root problem that lies in the nerve-endocrine-immune system of the patient. [The above text is selected from Lin Zhibin’s “Lingzhi, From Mystery to Science”, Peking University Medical Press, 2008.5 P63]

Reishi mushroom has a significant effect on insomnia for the neurasthenia patients. Within 1-2 weeks after the administration, patient’s sleep quality, appetite, weight-gain, memory and energy improved, and palpitation, headache and complications are relieved or eliminated. Actual therapeutic effects depends on dosage and treatment period of the specific cases. In general, larger doses and longer treatment periods tend to yield better results.

Pharmacological study showed that Lingzhi significantly decreased the autonomic activities, shorthened the sleep latency induced by pentobarbital, and increase the sleep time on pentobarbital-treated mice, indicating that Lingzhi has a sedation effect on the test animals.

Aside from its sedative function, Lingzhi’s homeostasis regulation effect might also have contributed to its efficacy on neurasthenia and insomnia. Through homeostasis regulation, Ganoderma lucidum could revive the disordered nerve-endocrine-immune system interrupting the neurasthenia-insomnia vicious cycle. Thereby, patient’s sleep could be improved and other symptoms relieved or eliminated. [The above text is selected from Lin Zhibin’s “Lingzhi, From Mystery to Science” Peking University Medical Press, 2008.5 P63-64]

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