Streams

Richard Knox

Richard Knox appears in the following:

Half Of A Drug's Power Comes From Thinking It Will Work

Friday, January 10, 2014

Words matter when it comes to medicine. By comparing placebo pills labeled as migraine medicine with medicine labeled placebos, doctors figured out that half of the pain relief of medication comes from a person's belief in its effectiveness.

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Hoped-For AIDS Cures Fail In 2 Boston Patients

Friday, December 06, 2013

The only person known to have been cured of AIDS got a bone marrow transplant, so when two AIDS patients in Boston appeared to be free of the virus after transplants, scientists hoped they were cured, too. But the HIV virus has returned in both.

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FDA Expected To Approve New, Gentler Cure For Hepatitis C

Thursday, December 05, 2013

The first in a new class of drugs that can cure the viral infection that is the leading cause of liver failure and liver cancer is poised for a marketing green light from the Food and Drug Administration. More than 3 million Americans have hepatitis C, but most don't know it.

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Obama Launches HIV Cure Initiative, Ups Pledge For Global Health

Monday, December 02, 2013

The administration is pledging $100 million toward a project to stop HIV infections once and for all. There's growing optimism among scientists that it may be possible to get patients' immune systems to control HIV without drugs, or even to eliminate the virus from the cells of infected people someday.

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Insurance Cancellations: The Price Of Mending A Broken System?

Tuesday, November 05, 2013

The cancellations are making some people angry and many anxious. Opponents of the health law feel vindicated. They all cite the conflict between the cancellation notices and President Obama's repeated promise that people who like their existing health coverage could keep it.

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Insurance Firms Forced To Cancel Many Individual Policies

Tuesday, November 05, 2013

More than 12 million Americans buy health insurance on their own, and many are getting cancellation notices because their individual coverage does not meet the standards of the Affordable Care Act. This is causing anxiety and anger — especially since most of these people can't get onto the healthcare.gov website to figure out their options for 2014.

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AIDS Scientists Encouraged By Antibodies That Hit Monkey Virus

Thursday, October 31, 2013

A monkey virus that's a stand-in for HIV plummeted to undetectable levels when animals got potent antibodies of a type recently discovered in some humans. A single antibody injection was enough to do the job.

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A Toddler Remains HIV-Free, Raising Hope For Babies Worldwide

Wednesday, October 23, 2013

The news that a baby born HIV-positive in Mississippi stayed HIV-free even though her mother stopped giving her anti-retroviral drugs sparked skepticism earlier this year. But a new report says that the girl is still virus-free at age 3. This could jumpstart a global study on super-early treatment of HIV-positive newborns.

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Haitian Cholera Strain Spreads To Mainland With Mexico Outbreak

Wednesday, October 23, 2013

A cholera outbreak in Mexico has been traced to the same strain that first appeared in Haiti three years ago. It has appeared in the Dominican Republic and Cuba, too. So far nearly 9,000 people have died in the four countries, and health authorities think it will spread further in the Americas.

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To Prevent HIV Infection, Couples Try Testing Together

Friday, October 18, 2013

The majority of new HIV infections among gay men in the U.S. these days occur within committed couples. So researchers are piloting a strategy that's been successful in Africa. Gay couples in several cities have tried it and say the benefits are unexpected.

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Fast Tests For Drug Resistance Bolster Malaria Fight

Wednesday, September 11, 2013

Pockets of malaria that are resistant to the frontline drug have recently emerged in Southeast Asia. Health workers worry the problem could spread to Africa. To stay ahead of the parasite, scientists have developed a fast way to detect resistant malaria and map its spread through a community.

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The Case For Clearing More Arteries During Heart Attacks

Sunday, September 01, 2013

Preventive treatment of partially blocked arteries in patients suffering a particular kind of severe heart attack reduces future heart attacks, cardiac deaths and cases of recurrent chest pain by about two-thirds.

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Illicit Drugs And Mental Illness Take A Huge Global Toll

Wednesday, August 28, 2013

Disability and illness caused by opioids, amphetamines, cocaine and cannabis increased by more than 50 percent over the two decades prior to 2010. Opioid dependence in particular has become much more common.

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Vaccinating Babies For Rotavirus Protects The Whole Family

Tuesday, August 27, 2013

Since the rollout the rotavirus vaccine for infants in 2006, the spillover benefits to children and adults who weren't immunized have been enormous. Hospitalizations due to the stomach virus have dramatically declined in those populations, too.

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More Stroke Patients Now Get Clot-Busting Drug

Tuesday, August 27, 2013

Many stroke patients are getting treatment with a drug that dissolves blood clots. The approach was once controversial. But giving the drug to eligible patients within a few hours of a stroke's first symptoms can prevent disability.

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Another Study Of Preemies Blasted Over Ethical Concerns

Friday, August 23, 2013

The study randomly assigns preemies to one group that will get blood transfusions when their anemia is relatively mild or another that won't get them until the anemia is severe. Researchers want to see which approach is better at reducing deaths and brain damage. Critics say the doctors haven't leveled with parents about the risks.

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Ebola Treatment Works In Monkeys, Even After Symptoms Appear

Wednesday, August 21, 2013

An experimental drug rescued three out of seven monkeys from lethal doses of Ebola. The study marks the first time researchers have shown that a drug can successfully treat Ebola in animals even after the infection is well underway.

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Lyme Disease Far More Common Than Previously Known

Monday, August 19, 2013

Fewer than 30,000 cases of the tick-borne illness are reported each year. But the CDC says surveys of labs that test for the disease, six years of insurance claims and other surveillance methods suggest that the number of infections is actually 10 times higher.

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Evidence Supports Pill To Prevent Some Prostate Cancers

Wednesday, August 14, 2013

Doctors have debated for years whether a drug that curbed the growth of some prostate cancers caused more serious ones to grow faster. Now, a long-term study calms those fears and raises the possibility that a cheap, generic pill could be used reduce prostate cancer risk.

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When Treating Abnormal Breast Cells, Sometimes Less Is More

Monday, August 05, 2013

The question of how to treat ductal carcinoma in situ is roiling the medical profession, and making for tough choices for women. The condition may never become invasive cancer. But some women choose to have mastectomies rather than live with uncertainty.

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