To some extent, ____________ (1 word) is protective to Parkinson’s disease.
查看答案
______________________ (2 words) lead to Parkinson’s disease.
___________________________ (3 words) is also not a good idea.
__________________ (2 words) has the effect of reducing your risk for Alzheimer’s disease.
You should also keep __________(3 words) down, because ______________ (4 words) is the biggest single risk factor for Alzheimer’s disease.