Parkinson's disease is a disorder of the central nervous system.

A. 帕金森病是中枢神经系统退化性疾病。
B. 帕金森病是中枢神经系统紊乱性疾病。

It is a disease that makes its victims increasingly unable to move.

A. 这种疾病会使患者越来越难以走动。
B. 这种疾病会使患者无法走动。

Perhaps the drug most commonly used to treat the disease is levodopa.

A. 也许最常用的药物是左旋多巴。
B. 也许该药最常用来作为左旋多巴使用。

When it reaches the brain, levodopa is changed to depamine. It replaces the dopamine lacking in patients with Parkinson's disease.

A. 左旋多巴到达脑部时就变成了青霉胺。它取代了多巴胺使患者患上了帕金森病。
B. 左旋多巴到达脑部时就变成了青霉胺。它取代了帕金森病患者缺失的多巴胺。

The most recent development in treatment of Parkinson's disease is brain tissue transplants. This involves replacing tissue in areas of the brain that cause symptoms of the disease.

A. 近年来，治疗帕金森病的疗法是脑组织移植。这包括替换有病症的脑组织。
B. 帕金森病的最新疗法是脑组织移植。这包括替换有病症的脑组织。

victim

unborn babies

brain tissue

have successful results

unable to move