the answer is a. skin color
Alzheimer's disease is the most common cause of dementia and most symptoms first appear in their mid-60s :))
I hope this help. Not gonna lie am not sure wouldn’t give you an answer am not sure about. Good luck
Avoid smoking and using tobacco products. Be physically active every day. Eat a heart-healthy diet. Keep a healthy weight. Keep your blood pressure healthy. Keep your total cholesterol healthy. Keep your blood sugar healthy.
