科学美国人60秒 SSS Blood Cells Remember Your Mountain Vacation

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

科学美国人60秒 SSS Individuals' Blood Glucose Levels after Meals May Be Predictable

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

英文书摘精选 How Does The Body Make Blood?人体如何造血?

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，

SCIENCE REPORT - Blood Test For Ovarian Cancer

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

VOA慢速英语2012 SCIENCE IN THE NEWS - A Possible Blood Test for Alzheimer’s Disease

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

2007年VOA标准英语-Researchers Find Better Blood Test for Prostate

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

VOA标准英语2012--Study: Chocolate, Strawberries Help Blood Pressure

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2010年-New Blood Test Predicts Heart Failure

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-Solar Blood Pressure Monitor Passes Af

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-Blood Vessel Disease Linked to Dementi

Researchers have identified a link between dementia and the brain damage that can occur in older people with high blood pressure and other forms of cardiovascular disease. High blood pressure, high cholesterol, and other conditions that affect blood

VOA标准英语2011--Nanostructure Promotes Blood Vessel Grow

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--Artificial Blood Vessels Work Well, Have

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2014--Severe Weather Conditions Hit Parts of Europe, US, Asia 美国、欧洲、亚洲部分地区遭遇恶劣天气

Severe Weather Conditions Hit Parts of Europe, US, Asia 美国、欧洲、亚洲部分地区遭遇恶劣天气 WASHINGTON Severe winter weather is affecting the lives of people in many parts of the world. Stormy weather battered Britain's western coa

美国国家公共电台 NPR 'True Blood' Star Nelsan Ellis Dies At 39

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

美国国家公共电台 NPR All U.S. Blood Donations Should Be Screened For Zika, FDA Says

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

美国国家公共电台 NPR Worried About Dementia? You Might Want to Check Your Blood Pressure

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'

2006年VOA标准英语-Blood Diamonds: New Movie Dramatizes Trade in C

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

VOA常速英语2007-South Africans' Blood 'Runs Gold-Flecked Green'

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

VOA常速英语2008年-Lowering Blood Pressure, Cholesterol May Help D

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标准英语2012--Different Blood Pressure in Both Arms Linked to Heart Disease

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