Richard Knox

Richard Knox appears in the following:

Lyme Disease Far More Common Than Previously Known

Monday, August 19, 2013

The Centers for Disease Control and Prevention says 300,000 Americans are getting Lyme disease every year, and the toll is growing.

"It confirms what we've thought for a long time: This is a large problem," Dr. Paul Mead tells Shots. "The bottom line is that by defining how big the ...


Evidence Supports Pill To Prevent Some Prostate Cancers

Wednesday, August 14, 2013

Researchers say a cheap, generic pill called finasteride prevents almost 40 percent of low-grade prostate cancers without increasing the risk of dying from more aggressive tumors.

New evidence points to the drug as a potentially safer way to deal with prostate cancers that now get more intense treatment. ...


When Treating Abnormal Breast Cells, Sometimes Less Is More

Monday, August 05, 2013

When Sally O'Neill's doctor told her she had an early form of cancer in one of her breasts, she didn't agonize about what she wanted to.

The 42-year-old mother of two young girls wanted a double mastectomy.

"I decided at that moment that I wanted them both taken off," says ...


Nurse Charged With Assisting In Her Father's Death

Wednesday, July 31, 2013

A Philadelphia nurse has been charged with assisted suicide for allegedly providing her 93-year-old father with a lethal dose of morphine.

Authorities say Barbara Mancini, 57, told a hospice nurse and a police officer on Feb. 7 that she provided a vial of morphine to her father, Joe Yourshaw, to ...


Panel Urges Lung Cancer Screening For Millions Of Americans

Monday, July 29, 2013

A federal task force is planning to recommend that millions of smokers and former smokers get a CT scan annually to look for early signs of lung cancer.

The 16-member US Preventive Services Task Force gives that lung cancer screening test a grade of B, which puts it on ...


HPV Vaccination Might Help Reduce Risk Of Throat Cancers

Friday, July 19, 2013

A study of women in Costa Rica is raising hope that getting vaccinated against the human papillomavirus, or HPV, could lower the risk of throat cancers.

The research doesn't show that. It would take a much bigger and longer study to do that – if such a study could ethically ...


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

Thursday, July 18, 2013

It's not just how long you live that matters. It's healthy life expectancy – the additional years of good health you can expect once you hit 65.

And by that measure, a new analysis shows it makes a lot of difference where Americans live.

Hawaiians are lucky in more ...


Tuberculosis Outbreak Shakes Wisconsin City

Thursday, July 18, 2013

Looking crisp and official in his khaki-colored sheriff's department polo shirt, Steve Steinhardt says Sheboygan, Wis., is a pretty good place to be a director of emergency services.

"Nothing bad happens here," he says, knocking on wood. Unless, that is, you count the tuberculosis outbreak that struck the orderly Midwestern ...


Outbreak In Saudi Arabia Echoes SARS Epidemic 10 Years Ago

Thursday, June 20, 2013

A detailed analysis of how the disease called Middle East Respiratory Syndrome spread through four Saudi Arabian hospitals this spring reveals disturbing similarities to the SARS pandemic that terrified the world a decade ago.

"I think this has the great potential of becoming the next SARS,"


Vaccine Against HPV Has Cut Infections In Teenage Girls

Wednesday, June 19, 2013

A vaccine against human papillomavirus — the most common sexually transmitted infection and the cause of almost all cervical cancer — is dramatically reducing the prevalence of HPV in teenage girls.

The first vaccine against HPV, Merck's Gardasil, was approved by the Food and Drug Administration in 2006. Cerverix, ...


Prevention Pill Cuts HIV Risk For Injecting Drug Users

Thursday, June 13, 2013

A once-a-day pill has been proven to lower the risk of getting HIV among needle-using drug addicts, just as it does among heterosexual couples and men who have sex with men.

Among 2,400 injecting drug users in Bangkok, those assigned to take a daily dose of an antiviral drug ...


Triple Threat: Middle East Respiratory Virus And 2 Bird Flus

Monday, June 10, 2013

The World Health Organization is warning health care workers everywhere to suspect a disease called Middle Eastern Respiratory Syndrome, or MERS, whenever they see a case of unexplained pneumonia.

Monday's warning comes at the end of a six-day WHO investigation in Saudi Arabia, where 40 of the 55 cases ...


NIH Chief Rejects Ethics Critique Of Preemie Study

Thursday, June 06, 2013

The chief of the National Institutes of Health is disavowing a ruling from the government office that oversees the ethics of human research.

At issue is a controversial study of more than 1,300 severely premature infants. This spring, the federal Office for Human Research Protections criticized the ...


Obama Administration Seeks To Ease Approvals For Antibiotics

Tuesday, June 04, 2013

Every day in hospitals all over America, thousands of patients die of infections that used to be curable. But the antibiotics used to treat them aren't working anymore.

It's called drug resistance, and it's largely a consequence of antibiotics overuse. The more germs are exposed to antibiotics, the ...


A Boston Family's Struggle With TB Reveals A Stubborn Foe

Monday, June 03, 2013

Thanks to gold-standard tuberculosis treatment and prevention programs, cases of TB in the United States have declined every year for the past two decades — to the lowest level ever.

But TB's course through the Williams family in Boston shows that no nation can afford to relax its efforts ...


Young Women With Breast Cancer Opting For Mastectomy

Friday, May 31, 2013

Most women diagnosed with breast cancer when they're 40 or younger are choosing mastectomy rather than more limited and breast-conserving lumpectomy plus radiation, a study of women in Massachusetts finds.

Moreover, most of those choosing mastectomy elect to have the other, noncancerous breast removed, too.

These findings ...


Researchers Find Bird Flu Is Contagious Among Ferrets

Thursday, May 23, 2013

Scientists have completed the first assessments of how readily the H7N9 flu virus in China can pass among ferrets and pigs. The mammals provide the best inkling of how dangerous these bugs may become for humans.

The news is both bad and good. They've found the new bird ...


Middle East Virus Spreads Between Hospitalized Patients

Monday, May 13, 2013

It's been eight months since a Saudi Arabian doctor described a previously unknown virus related to SARS. And for most of that time only germ geeks paid much attention.

But in the past few days the new virus — which some would like to call MERS-CoV, for Middle ...


Officials Prepare For Another Flu Pandemic — Just In Case

Wednesday, May 08, 2013

There's been a buzz of activity at the Centers for Disease Control and Prevention in Atlanta since scientists got their first samples of a new bird flu virus from China four weeks ago.

Already they've prepared "seed strains" of the virus, called H7N9, and distributed them to vaccine ...


Recovery Begins For Mother, Daughter Injured In Boston

Thursday, May 02, 2013

The number of Boston bombing victims still in the hospital dropped to 19 as of Wednesday evening. The great majority have gone home or to a rehab facility.

That's what has happened with Celeste and Sydney Corcoran, a mother-daughter pair who ended up in the same hospital room after ...