Experiencing constant stress would wear out your mind and body. Brain training is one of the ways to rejuvenate or worn out disposition. The American Medical Association, cited that there are 75% of illnesses attributed to stress. World Health Organization (WHO) identifies stress as the leading health problem among Americans. In the old days, scientists erroneously thought the brain s network is already fixed with the onset of aging and that old people could not learn any more new information. The idea of brain plasticity turned that old notion 180 degrees. Today, we know that the brain is always learning, and that it changes itself with the process and even gets better after sometime. These are the healthy older adults who do not seem to be victimized by any mental deterioration through disuse or other forms of neglect, disease or other causes. They are the older adults who belong mostly to the baby boomer generation. Public schools They are today s senior citizens who attended school before special education programs were around. The ability to improve fluid intelligence has been termed by Dr.Jaeggi as the ability to reason and to flexibly adapt to new situations. The game Dr. Jaeggi and colleagues gave 35 volunteers a series of training exercises designed to improve memory and 35 more to a control group. Participants saw a sequence of squares appearing one after the other on the computer every 3 seconds. Here are some useful exercises that you could do. Computer games and video games. There are games which focus on how you strategize, these games significant effects on critical thinking. Brain training software. Aside from the Brain Age, there are also other brain trainers which you can use. These hand-held games have different kind of brain exercises which you can use for a few minutes a day. By understanding the stages of cognitive development on children, it would give parents an understanding on when to introduce children into exercises that will develop their cognitive skills. Brain training would help children in organizing and logical thought, reasoning and even executing functions.