Dementia is no longer an age related disease as these days there are many young folks that have been found to become a victim of it. However, if you want to reduce the chances of dementia, you should follow these steps.  You need to make sure that the person stays physically active like aerobic activities or exercises which can bring positive change in the weight, circulation, mental condition and heart.  You need to make sure that the person is not into smoking or any type of alcohol intake You need to make sure that you are offering a balanced diet and mostly rich in protein. Reduce intake of saturated fat, sugar and fill your system with fluid