科技生物类话题是雅思阅读的常考话题，今天小编为大家分享VOA上的一篇英语短文：Regular Exercise Can Change Our DNA，希望对大家的雅思备考有帮助！更多雅思阅读材料，关注新通外语或拨打400-618-0272咨询。
科技生物类话题是雅思阅读的常考话题，今天小编为大家分享VOA上的一篇英语短文：Regular Exercise Can Change Our DNA，希望对大家的雅思备考有帮助！更多雅思阅读材料，关注新通外语或拨打400-618-0272咨询。
Swedish scientists say they have proven that physical exercise changes not only our health but also our genetic material.
Scientists have long known that some diets or exposure to chemicals can change the way genes send and receive chemical signals in the body. But nothing was known about the influence of physical exercise.
The Swedish study shows that exercise can have an effect on our deoxyribonucleic acid or DNA. DNA is often called the "building blocks of life." DNA is the material that carries genetic information in cells.
更多英语短文及实时新闻，关注新通外语，或拔打免费电话 400-618-0272 咨询。
The study was a project of scientists at the Karolinska Institute in Stockholm. They asked 23 young, healthy women and men to exercise on stationary bicycles with only one leg, several times a week for three months. The scientists then compared DNA taken from muscle cells in both legs. They found DNA had changed greatly in the leg that got more exercise. Many of the genes that changed were linked to energy, insulin and muscle inflammation or pain.
Scientists say this shows that regular exercise affects our genes and can lead to better health. They say future studies would examine how long the changes last if someone stops exercising.
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