[WATCH]: Anh ngữ đặc biệt 509 health (VOA)

Chương trình học tiếng Anh của VOA: Special English Health Report - Diet and Gut Bacteria / Rising Obesity. Xin hãy vào www.youtube.com để xem các bài kế tiếp. This is the VOA Special English Health Report. The human digestive system is full of bacteria -- mostly good bacteria. These organisms help break down food so the body can use the nutrients. Scientists are exploring the link between what kinds of bacteria live in our gut and what kinds of food we eat. Gary Wu from the University of Pennsylvania and other scientists did two studies. These studies looked for connections between the food that people ate and the kinds of microbes living in their intestines. Mr. Wu says, "We found essentially that there are two

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