( News from the British Science Festival ...)Mental exercises reduces brain ageing,Health

News from the British Science Festival reports that Mental exercises can keep the brain young and improve its working efficiently. Brain exercises such as crossword puzzles, Su doku and aerobic exercises keeps the brain// younger.

Su Doku, is a number puzzle in which a number has to placed from 1 through 9 in each cell of a grid, most frequently a 9×9 grid made up of 3×3 subgrids (called "regions"), starting with various numerals given in some cells (the "givens"). Each row, column and region must contain only one instance of each numeral. This mental exercises increases logical thinking. Sudoku initially became popular in Japan in 1986 and attained international popularity in 2005.

Aerobic exercise makes your heart breath harder, and their heart to beat faster, which showed improvements in mental abilities. The benefits were especially marked in the frontal lobes of the brain, which are involved in the ability to organize, make decisions, show initiative, have a sense of humor, pay attention and remember things. Brain exercises increase the production of brain chemical serotonin, which controls the mood and the vigor to do work by nourishing the brain by formation of new blood vessels. Dr. Ian Robertson of Trinity college said, “Cognitive exercises and mental stimulation such as crossword puzzles and Su doku can keep the brain up to 14 years younger. “The brain is plastic, shaped by what we do,” he said. “We are all getting healthier and living longer, but the biggest threat as the population ages is to the function of the brain.”

Professor Roberton said, “One of the reasons our memories let us down as we get older is that we don’t attack the information with the same brain vigor as when we were young”. In a small study when young people were asked to memorize words, more activity was found in the frontal lobe of the left-brain and the main memory center responsible for the brain vigor was found in the hippocampus. When the same t
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