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Sweet Potatoes as Medicine 红薯的作用可以和药物媲美 From VOA Learning English, this is the Health and Lifestyle Report. We Americans have an expression: If you give a person a fish, they will eat for a day. If you teach a person to fish,
This is scientific American sixty seconds science. I am Amy Kraft. Got a minute? Sweat potatoes contains fiber, vitamin A and calcium, but the way that scientists think they can make them even more healthful is literally shocking. Researchers found t
[00:06.48]Lack of Vitamin A is the leading cause of blindness among children in deveoping countries. [00:14.55]These children do not get enough Vitamin A in the food they eat. [00:21.11]In Africa,more than 3,000,000 children suffer from blindness or
People who do not get enough vitamin A in their diet may develop night blindness. But in the developing world a lack of vitamin A causes much more serious harm to children. The World Health Organization links vitamin A deficiency to as many as two hu
Here are some facts about sweet potatoes you probably don't know: 这里有一些关于红薯你可能还不知道的事实: Sweet Potatoes Originated in the Americas 红薯起源于美洲 They're in the family of plants that includes morning glori
Voice 1 Thank you for joining us for todays Spotlight program. Im Mike Proctor. Voice 2 And Im Liz Waid. Spotlight uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice 1 E