Answer:
From 1990 to the end of 1999, the Library of Congress and the National Institute of Mental Health of the National Institutes of Health sponsored a unique interagency initiative to advance the goals set forth in a proclamation by President George Bush designating the 1990s as the Decade of the Brain.
Explanation:
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Negative attitudes and feelings of helplessness and hopelessness can create chronic stress, which upsets the body's hormone balance, depletes the brain chemicals required for happiness, and damages the immune system. Chronic stress can actually decrease our lifespan.
He was a very smart man that helped the world in the field of psychology