INTELLIGENCE
DEVELOPMENT

Intelligence Development

The brain is like a muscle — the more you train it, the larger it grows. Brain of an average grown-up man weighs 1424 grams and shrinks to 1395 grams by the time he gets old. People of intellectual professions, chess players, scientists, researches, various developers, etc. on the average get old 10 years later than their peers, who are engaged in more humdrum occupations.