Síntesis del Episodio "Why Vitamins Are Important to Good Health"

Why Vitamins Are Important to Good Health BOB DOUGHTY: This is SCIENCE IN THE NEWS, in VOA Special English. I’m Bob Doughty. FAITH LAPIDUS: And I’m Faith Lapidus. This week, we tell about vitamins. BOB DOUGHTY: Many jobs must be done with two people. One person takes the lead. The other helps. It is this cooperation that brings success. So it is with the human body. Much of our good health depends on the cooperation between substances. When they work together, chemical reactions take place smoothly. Body systems are kept in balance. Some of the most important helpers in the job of good health are the substances we call vitamins. FAITH LAPIDUS: The word “vitamin” dates back to Polish scientist Casimir Funk in 1912. He was studying a substance in the hull that covers rice. This substance was believed to cure a disorder called beriberi. Funk believed the substance belonged to a group of chemicals known as amines. He added the Latin word "vita," meaning life. So he called the substance a “vitamine” -- an amine necessary for life. ..., ... Visite: http://sites.google.com/site/enriqueruizdiaz/ Asimismo: https://sites.google.com/site/mcenriqueruizdiaz/

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