translation.en: Parkinson's is a disease that causes degeneration of the nervous system, which means that this person who used to be independent suddenly finds tasks like drinking coffee, because of tremors, much more difficult.
translation.zh: 帕金森综合征会引发神经系统退化， 意味着一个过去独立的人 突然因为颤抖 连喝咖啡都变得非常困难。