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语言朋友(81)better, they find that they feel so much better that it reconstructs the reason for making these changes from fear of dying to joy of living.The latest studies show that when you exercise and eat right: YOUR BRAIN receives more blood flow and oxygen, so you become smarter, think more clearly, have more energy, and need less sleep.Two studies showed that just walking for three hours per week for only three months caused so many new neurons (神经细胞) to grow that it actually increased the size of people's brains!king accelerates aging because nicotine causes your arteries (动脉) to narrow down, d in the Proceedings of the National Academy of Sciences showing that changing your lifestyle changes your genes. YOUR TELOMERES (染色体端粒) get longer.Telomeres are the ends of our chromosomes (染色体) that control how long we live.As telomeres become shorter, then cells age more quickly, a questionnaire and asked them to rate on a threepoint scale how stressed they felt each day, and how out of control their lives felt to them.The women who were aware that they were under heavy stress had significantly shortened and damaged telomeres compared with those who felt more relaxed.On the contrary, some of the women who felt relaxed despite raising a disabled child had more normal璦ppearing telomeres. In other words, if you feel stressed, you are stressed; if you feel fine, you are fine. | 
