1. Avoid obesity
A study by Paul Thompson, a researcher at the University of California, suggests that obesity may reduce brain size in the elderly, making them more vulnerable to dementia.

2. Read Kafka
Read to Franz Kafka, for example the story of a rural doctor, stimulates our neurons and “encourages us to learn new patterns in the brain, to develop a greater capacity to learn,” according to a recent study by the University of British Columbia and the University of California .

3. Best pair
Being married or living with a partner reduces risk of Alzheimer’s dementia and aging at 50 percent, according to a study by Swiss and Finnish scientists and published in the prestigious British Medical Journal.

4. Train for multitasking
The ability to do several things at once efficiently is “limited by the speed at which our prefrontal cortex processes information,” said Paul E. Duz, a researcher at Vanderbilt University and coauthor of the study. The good news is that this ability can be trained.

5. Turn off the TV
Researchers at the University of Pennsylvania have found that watching television before bedtime sleep often leads to debt, increasing the risk of falling sick.

6. Meditate
If we want to develop bigger muscles and stronger bones are hundreds of exercises and dietary supplements that help us achieve our goal. But what happens if we are to increase the size of our brains? Scientists at the University of California (UCLA) showed last spring that it is also possible using meditation.

7. Join a group
A football team, a book club, a rock band … Being part of a social group puedereducir the risk of stroke and dementia, researchers recently showed Australian universities of Exeter and Queensland.

8. Your scribbles
Filling a role is not scribble a waste of time or a distraction. Quite the contrary, promotes mental concentration and stimulates memory, according to a study by the University of Plymouth in the journal Applied Cognitive Psychology.