Richard Knox

Richard Knox appears in the following:

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.


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.


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.


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.


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.


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.


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.


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.


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.


Nurse Charged With Assisting In Her Father's Death

Wednesday, July 31, 2013

A Philadelphia woman who allegedly gave her 93-year-old father a vial of morphine is facing prosecution in Pennsylvania. Most state laws prohibit assisted suicide, but prosecutions are becoming increasingly rare.


Panel Urges Lung Cancer Screening For Millions Of Americans

Monday, July 29, 2013

Most people get diagnosed with lung cancer when it's too late to effectively treat it. A federal panel is trying to improve the odds by saying that longtime smokers and former smokers should get annual CT scans to check for lung cancer.


HPV Vaccination Might Help Reduce Risk Of Throat Cancers

Friday, July 19, 2013

One study finds that women who have been vaccinated against HPV are much less likely to have throat infections with the virus. Since the vaccine helps reduce risk of some cancers, scientists think it might turn out to be effective against throat cancers, too.


For A Long And Healthy Life, It Matters Where You Live

Thursday, July 18, 2013

Healthy life expectancy is lowest for people in the South, a study finds. People living in the West, Northeast and Great Plains tend to be doing better. But staying healthy is about more than just geography. Healthy habits and access to good health care count, too.


Tuberculosis Outbreak Shakes Wisconsin City

Thursday, July 18, 2013

Officials in Sheboygan, Wis., scrambled to contain a deadly, drug-resistant form of tuberculosis. An outbreak there serves as a reminder that the contagious disease still poses a threat in the U.S. Treating just nine cases will take months and cost millions of dollars.


Outbreak In Saudi Arabia Echoes SARS Epidemic 10 Years Ago

Thursday, June 20, 2013

Middle East Respiratory Syndrome emerged a year ago in Saudi Arabia, although the world didn't find out about it until September, when researchers said it was caused by a previously unknown virus that's in the same family as SARS.


Vaccine Against HPV Has Cut Infections In Teenage Girls

Wednesday, June 19, 2013

A vaccine against a virus that causes cervical cancer has cut infections among teenage girls by over half in the first four years of use, scientists report. Only about one-third of girls in that age group have received the recommended shots.


Prevention Pill Cuts HIV Risk For Injecting Drug Users

Thursday, June 13, 2013

Needle sharing and drug use put an estimated 4,000 people at risk for contracting HIV every year. Now, the same medications that are used to treat HIV-positive individuals might also protect the uninfected before they engage in risky behavior.


Triple Threat: Middle East Respiratory Virus And 2 Bird Flus

Monday, June 10, 2013

Is the world on the verge of a pandemic? There are three reasons to think so. Two flu viruses are active, and a virus that bears a resemblance to SARS has cropped up in the Middle East. Each has devastating potential, but many early warnings of past pandemics have failed to materialize.


NIH Chief Rejects Ethics Critique Of Preemie Study

Thursday, June 06, 2013

At issue is a controversial study of more than 1,300 severely premature infants that looked at how much oxygen they should receive after birth. This spring, the federal Office for Human Research Protections criticized the scientists who ran the study for failing to tell parents enough about the risks.


Obama Administration Seeks To Ease Approvals For Antibiotics

Tuesday, June 04, 2013

The goal is to counter drug resistance, which is largely a consequence of antibiotics overuse. Supporters say the plan would entice companies back into the market because it would be much cheaper to gain approval. But critics call it "a tragedy of monumental proportions."