Our brains are composed of different areas and functions, and we can strengthen them through mental exercise or they become useless on lack of practice. Mental excercise bolster the mind in the same way that physical exercise protects and strengthens the body There are two aspects of benefits
short-term
-improved concentration, release your nerves under stressful situations..
long-term
-creation of a "brain reserve" that help protect us against potential problems,boost reasoning skills, memory and mental processing speed.
Brain is a thinking organ that learns and grows by interacting with the world through action. Mental stimulation improves brain function, as does physical exercise.You can do this by MIND Quizes or Brainstorming- brainstorm is to use a set of specific rules and techniques which spark off new ideas which would never have happened under normal circumstances.Brainstorming is too much useful when you want to break out of established patterns of thinking so that you can develop new ways of looking at things. It also helps you overcome many of the problems that can make group problem.

Life is "trying things to see if they work".
Ray Bradbury

Christin Anderson, wellness and fitness coordinator of the University of San Francisco, explains that exercise affects many sites within the nervous system and sets off pleasure chemicals that make us feel calm, happy, andgive u feelings of great happiness or well-being.

When one exercises mentally he can think more clearly, perform better. This is pure science stimulate your nervous system and function at a higher level and also do brainstorming.

When the body is strong and the mind is weak, the result is insubordination. Train your mind as well as your body.
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Human brain requires regular exercises. You may find it very difficult to start something new at first. However, when you continue to try your brain tends to become fitter. Once your brain becomes fitter, you will find it very easy to undertake a task. This is the most important part of enhancing your memory.