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Head to the mountains, and if the steep trails don't slow you down, the thin air will. There's less oxygen up thereso strenuous activity can leave you dizzy, out of breathor worse. But even though you're beat, biochemical processes are already busy a
2017年Scientific American(二)月
Individuals' Blood Glucose Levels after Meals May Be Predictable预测血糖 High blood sugar levels are a risk factor for type 2 diabetes. Doctors today have only general dietary recommendations for how to control those levels, because theres no rea
2017年Scientific American(四)月
If blood didnt circulate through our bodies, carrying oxygen and nutrients, we wouldnt be able to live. Blood is so important to life that the body constantly makes new blood. 如果血液不能在我们身体内循环，为人体输送氧气和营养，
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SCIENCE REPORT - February 28, 2002: Blood Test For Ovarian Cancer By Nancy Steinbach This is the VOA Special English Science Report. American medical researchers say they have developed a simple blood
科技之光
SCIENCE IN THE NEWS - A Possible Blood Test for Alzheimers Disease JUNE SIMMS: This is SCIENCE IN THE NEWS, in VOA Special English. Im June Simms. SHIRLEY GRIFFITH: And Im Shirley Griffith. Today we tell about Alzheimers disease. More than a century
2012年VOA慢速英语(三)月
By Carol Pearson Washington 01 May 2007 Prostate cancer is one of the most common cancers for men in the developed world. Some 400,000 new cases are likely to be diagnosed this year in the United States and Europe, and close to 90,000 men are expecte
2007年VOA标准英语（五月）
Study: Chocolate, Strawberries Help Blood Pressure In the days leading up to Valentine's Day, Americans buy some $700 million worth of chocolate treats... luscious, creamy and loaded with fat. But recent studies show that dark chocolate can also be g
VOA标准英语2012年(二月)
A number of risk factors can predict your chance of getting a heart attack. High blood pressure or cholesterol, a history of smoking, just getting older - all of these make heart disease more likely. When a suspected heart attack patient shows up at
VOA标准英语2010年(十一)月
The study of a solar-powered blood pressure monitor finds it can be an effective tool in places where electricity and even batteries can be in short supply. A study in Africa found the monitors to be affordable and accurate. High blood pressure is a
VOA标准英语2010年(十一)月
Nanostructure Promotes Blood Vessel Growth U.S. researchers have developed a new way to promote the growth of blood vessels which potentially could improve treatment in diabetes, organ transplants, stroke, and heart attack. The veins and arteries tha
VOA标准英语2011年(八月)
Scientists say they have successfully tested artificial blood vessels grown in the laboratory. In a heart bypass operation, surgeons typically remove a vein from a patient's leg and use it to replace blocked arteries that feed the muscles of the hear
VOA标准英语2011年(二月)
Dietary Changes Help Lower Blood Pressure Sunday, April 7, is World Health Day, and this years theme is high blood pressure, also known as hypertension. The World Health Organization has recommended reducing salt or sodium intake to lower the risk of
VOA标准英语2013年(四月)
KELLY MCEVERS, HOST: The HBO show True Blood had a lot of memorable characters - Sookie, Eric, the sheriff, Andy. And then there was Lafayette Reynolds. Lafayette was played by Nelsan Ellis, who died over the weekend. He was 39. His family said in a
2017年NPR美国国家公共电台7月
All U.S. Blood Donations Should Be Screened For Zika, FDA Says play pause stop mute unmute max volume 00:0003:33repeat repeat off Update Required To play the media you will need to either update your browser to a recent version or update your Flash p
2016年NPR美国国家公共电台8月
NOEL KING, HOST: There's growing evidence that when your blood pressure goes up, so does your risk of developing dementia, so one of the country's top brain doctors is urging people to protect their brains by controlling their blood pressure. As NPR'
2018年NPR美国国家公共电台7月
By Alan Silverman Hollywood 02 December 2006 Leonardo Dicaprio and Djimon Hounsou co-star in a politically charged action-drama set during the Sierra Leone civil war in the 1990's. Alan Silverman has a look at the new film Blood Diamond. Leonardo Di
2006年VOA标准英语（十二月）
By Delia Robertson Johannesburg 19 October 2007 From South African President Thabo Mbeki to children playing on the streets of Soweto, South Africans are once again united in support of the national rugby team, the Springboks, ahead of their World Cu
2007年VOA常速英语（十月）
By Carol Pearson Washington 09 April 2008 Diabetics have a greater than average chance of having a heart attack or stroke. But new research indicates that lowering blood pressure and cholesterol below recommended guidelines seems to reduce these risk
VOA常速英语2008年（四月）
By Jessica Berman Washington 14 October 2007 An international team of scientists say they are on the verge of developing the first blood test for Alzheimer's disease which experts hope will help doctors identify patients with the memory-robbing disea
2007年VOA常速英语（十月）
Different Blood Pressure in Both Arms Linked to Heart Disease Cardiologist Oscar Garfein takes blood pressure readings from both of his patients' arms. That technique saved the life of one of his patients. I found that in one arm, it was very, very l
VOA标准英语2012年(二月)