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The functions of the nervous system involve an intricate maze of activities: the physiologic adjustment of our body to its environment, with association, correlation and synchronization of the various activities of our several organs and our conscious or mental life. A complete understanding of these mechanisms remains one of the most perplexing of scientific problems. Nevertheless, guides are available including certain precautions necessary for maintaining the nervous system in a healthful state. For this hygiene of the nervous system the mastering of a large amount of intricate details of anatomic structure and physiologic function is not necessary.
The adaptability of the mind has intrigued the interest of mankind for many centuries. Environmental observations, experiences and sensations have always been rationalized. Explanations have been sought and interpretations adopted that gave the greatest degree of satisfaction in keeping with the traditions, customs and spirit of the times. During the so-called early prehistoric
MENTAL HYGIENE. JAMA. 1930;95(16):1181-1182. doi:10.1001/jama.1930.02720160041014