BEST GIFT TO KEEP THE BRAIN FIT!Millions of people go to gyms, fitness centers and parks everyday to keep their body & soul fit. Millions of people diet to get rid of excess fat. Yet the same millions may not be paying attention to their brain, which is the greatest and most essential asset we have. While a neglected body shows visually, a neglected brain is hidden inside the skull. An agile brain is necessary for learning, performing at work and making the right business decisions. A higher intelligence and sharper mind may also help us to succeed in inter-personal relationships. God gave the average man or woman an IQ of 150. Yet in practice most people's IQ level is around 120. Some may be as low as 100. A chimpanzee's IQ is 80, equivalent to the IQ of a four 4 year old child. Some of us are very fortunate to have professions or life interests that require the use of brainpower, but for most of us extra exercises are necessary to keep our minds sharp. The human brain is similar to other organs in one respect: you use it or lose it. Daily life forces to use a certain minimal amount of brain function. The goal of this mixed puzzles book is to provide brain fitness exercises for adults and seniors. The human brain is a very complex instrument and must be challenged in many ways. It is anticipated that the readers' IQ may advance from 120 to 140 by working through to the end of this book. How about the final 10 points necessary to climb to God-given IQ of 150? For that you may need to do brain challenging activities beyond this book: reading, studying science & engineering, programming computers, crossword puzzles, watching movies & TV trivia shows and learning new skills. It is very important to try all different kinds of puzzles to motivate every area of our brains. Some puzzles use only certain areas of the brain, for example, finding missing letters in words requires a dictionary search in our brain. We can be pretty organized about it, like a computer, trying all 26 letters of the alphabet. This puzzle book is designed to keeping your brain active in an entertaining and often humorous way. Recent scientific research has shown that keeping the brain active with a mixture puzzles of various types can lead to a longer, more fulfilling life and reduce the chances of Alzheimer's Disease, Parkinson's Disease, memory loss & dementia associated with advanced age. In the case of a stroke, daily puzzle solving can be instrumental in recovering some of the brain's normal functions quickly.The left side of brain is the analytical side, responsible for logic, science and mathematics. Interestingly enough, it also controls the right side of the body. The right side of the brain is in charge of creativity and the arts. It also controls the left side of the body.Both types of thinking are required in order to solve picture puzzles, crossword & word search puzzles. Thus using both sides of the brain at the same time, we create connections between the left and right brain hemispheres. These connections are important requirements for learning, discovering and remembering. During puzzle solving the production of dopamine increases. This element is essential for the proper functioning of brain cells.The major puzzle groups in this book are: language, math, logic, picture puzzles, quizzes and brain teasers. Puzzles with grids and graphics are especially good for improving short-term visual memory. Puzzles help us develop brain skills to solve problems quickly and innovatively and to communicate clearheaded ideas. These skills are greatly valued intellectual assets in the job marketplace. Trial & error, alternative approaches, creating theories, testing hypotheses, learning from experience, performing calculations and changing our point of views are required brain processes whether solving a word search puzzle or even perhaps designing a mission to Mars! Enjoy the puzzles while boosting your brainpower - I'll look for you on Mars!!