Neurasthenia (also known as Neuralgia) was a term first coined by Beard in 1869 to describe a condition with symptoms of fatigue, anxiety and pessimism. It was explained as being a result of exhaustion of the central nervous system's energy reserves which Beard attributed to civilisation. In the late 1800s it became a popular diagnosis and led to rest cures.

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Neuralgia is a painful disorder of the cranial nerves. Under the general hea ...
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