dementia

1 - Completing a sudoku puzzle requires patience and logical ability and has been proven to slow the onset of dementia

2 - Research shows speaking more than one language can delay dementia by four years.

3 - People who engage in activities that exercise the brain, such as reading, writing, and playing card games, may delay the rapid memory decline that occurs if they later develop dementia.

4 - Studies show that exercising your brain reduces the risk of such memory-damaging illnesses as dementia and Alzheimer's disease.

5 - A survey of 1,449 Finns found that married people and people living with a partner were 50% less likely to develop dementia in later life, whereas single or divorced people had three times the risk.