新视野大学英语读写教程听力 第三册 te-unit02-b

[-1:-4.00]Now, however,
[-1:-5.00]some scientists have revised their way of thinking,
[-1:-6.00]and point to possible physical connections.
[-1:-7.00]10  Pierce J.Howard, another expert,
[-1:-8.00]says new research indicates that physical exercise
[-1:-9.00]increases the amount of certain brain
[-1:10.00]chemicals that stimulate growth of nerve cells.
[-1:11.00]Consequently, the brains of people who exercise
[-1:12.00]may be better equipped to tackle mental challenges.
[-1:13.00]11  Inactivity may also have negative effects on mind and body alike.
[-1:14.00]"Scientists recognize that mind is body,
[-1:15.00]and body is mind," comments Howard.
[-1:16.00]The most beneficial forms of exercise, he says, engage both.