translation.en: A lot of people don't know that Alzheimer's actually has physical symptoms, as well as cognitive symptoms. You lose your sense of balance, you get muscle tremors, and that tends to lead people to being less and less mobile.
translation.zh: 很多人不知道老年痴呆其实有物理症状， 以及认知症状。你失去对平衡的感觉 你会肌肉震颤，而这使人们倾向于减少活动。