标签：placebo 相关文章
Part 1：选词填空真题第一套 选词填空是英语四级考试阅读中的题型之一，主要考查对上下文的理解以及对词汇应用能力。选词填空的篇幅在250~300词左右，要求考生从给出15个的单词中，选出
闭着眼睛飘单词 六级词汇
By Nancy Steinbach HEALTH REPORT -May 8, 2002: Hormone Replacement Questioned This is the VOA Special English Health Report. An international team of health experts says there is no scientific evidenc
健康与环境
Children's Asthma Not Eased by Anti-Reflux Drug Seventeen-year-old Alaina Kvapil was diagnosed with asthma when she was 13. When you have an asthma attack, your airways actually close up and people dont realize that you cant breathe, you cant get the
VOA标准英语2012年(一月)
STEVE INSKEEP, HOST: Some new parents have started giving their newborns what's being called a bacterial baptism. The idea is to try to help their babies develop healthy microbiomes, the collection of friendly bacteria that inhabit everyone's bodies.
2018年NPR美国国家公共电台10月
AILSA CHANG, HOST: A drug commonly used to treat the bone-thinning disease osteoporosis could protect many more older women against bone fractures. That's according to a big new study published today by the New England Journal of Medicine. NPR health
2018年NPR美国国家公共电台10月
Researcher: Vitamins and Mineral Supplements Slow Progression of HIV 补充维生素和矿物质放缓艾滋发展 WASHINGTON Patients with HIV, the virus that causes AIDS, often develop vitamin deficiencies. A new study has found that giving these p
VOA常速英语2013年(十一月)
By Melinda Smith Washington, D.C. 02 January 2007 watch Proton Pump report A basic tenet often associated with the practice of medicine is that physicians do no harm.' But even with the best intentions, sometimes a drug prescribed for one ailment ca
2007年VOA标准英语（一月）
DAVID GREENE, HOST: Today in Your Health, we're taking a close look at chemotherapy. It's been a mainstay of cancer treatment for decades, but that method is slowly being edged aside in medical research as new treatments, like immunotherapy, grab the
2017年NPR美国国家公共电台3月
VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. I'm Bob Doughty. VOICE TWO: And I'm Faith Lapidus. This week, we will tell the story of aspirin. (MUSIC) VOICE ONE: People have known since ancient times that aspirin can reduce pain and
VOA慢速英语2009年（十）月
This is the VOA Special English Health Report. People since ancient times have used aspirin-like medicines to fight pain and reduce high body temperature. Boxes of aspirin at a drugstore in Chicago Modern research has found other uses for aspirin. T
VOA慢速英语2009年（八）月
This is the VOA Special English Health Report. In nineteen eighty-seven, H.I.V./AIDS joined a list of diseases that could keep a person out of the United States. The government later tried to cancel its decision. But Congress made the travel ban a p
VOA慢速英语2009年（十一）月
Alzheimer's Researchers Switch Focus to Prevention Methods As people live longer, there is growing pressure to develop a drug or vaccine that stops dementia. Health and Human Services Secretary Kathleen Sebelius says setting priorities and coordinati
VOA标准英语2012年(六月)
Micronutrient Powders Effective in Reducing Anemia in Children Nutrients taken in powder form are effective in preventing malnutrition in children, according to new findings. Children throughout the developing world suffer from anemia - a shortage of
VOA标准英语2011年(九月)
Study: Popular Herbal Remedy Doesn't Ease Enlarged Prostate Scientists investigating a popular herbal treatment for enlarged prostate, saw palmetto, have concluded it is no more effective than a placebo. That conclusion comes from a study which inclu
VOA标准英语2011年(十月)
By Lisa Bryant Paris 20 October 2009 A group of researchers says an experimental AIDS vaccine trial in Thailand shows the shot has a modest but significant effect -- and that it offers hope for the future. Findings which were presented at an interna
VOA标准英语2009年(十月)
STEVE INSKEEP, HOST: Many people reach for Tylenol to ease aches and pains. And it turns out Tylenol may do more than relieve physical pain. Studies show it may help to ease hurt feelings. NPR's Allison Aubrey reports. ALLISON AUBREY, BYLINE: Most of
2017年NPR美国国家公共电台12月
STEVE INSKEEP, HOST: The movement to legalize marijuana in many states has led to more interest in a product that is derived from cannabis. It's called CBD, and it's widely available online. Research suggests it may help to relieve pain and anxiety a
2018年NPR美国国家公共电台4月
cBy Scott Bobb Soweto 05 March 2007 watch Vaccine report Researchers in South Africa have launched trials of a promising vaccine they hope will help prevent the spread of the deadly HIV/AIDS virus. Three thousand volunteers are being injected with t
2007年VOA标准英语（三月）
A county in the U.S. state of California is suing GlaxoSmithKline, the maker of Avandia, a controversial diabetes drug. The lawsuit was spurred by a report on the drug released by the U.S. Senate last week (March 22). That report accused the drug com
VOA标准英语2010年(三月)
Voice 1 Welcome to Spotlight. Im Joshua Leo. Voice 2 And Im Christy VanArragon. 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 It was a fearful picture. C
环球英语 Spotlight