Richard Knox

Richard Knox appears in the following:

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 rai...


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 so...


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...


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, sci...


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 m...


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 thre...


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 u...


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 gi...


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 ...


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 Eas...


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 Hum...


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 ...


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

Monday, June 03, 2013

Tuberculosis is much less of a health threat in the United States than it is in other countries. But a family in Boston discovered that even here, no one is immune from this ancient f...


Young Women With Breast Cancer Opting For Mastectomy

Friday, May 31, 2013

Mastectomies have become increasingly popular for women with breast cancer. That's a big turnaround from the 1980s, when women abandoned mastectomy in favor of breast-saving lumpectomy.


Researchers Find Bird Flu Is Contagious Among Ferrets

Thursday, May 23, 2013

The virus's ability to move between these mammals might not bode well for humans. So far, it appears that H7N9 doesn't pass easily between people, but it could mutate over time and pose more of a threat.


Middle East Virus Spreads Between Hospitalized Patients

Monday, May 13, 2013

SARS burst on the scene in 2003 after one man infected travelers staying on the same floor of a Hong Kong hotel. Now that a new virus with similarities to SARS has spread from person ...


Officials Prepare For Another Flu Pandemic — Just In Case

Wednesday, May 08, 2013

Those people who have contracted the H7N9 virus have become very sick. And unlike the older bird flu virus, this one shows some adaptation to mammals, making it a matter of concern. B...


Recovery Begins For Mother, Daughter Injured In Boston

Thursday, May 02, 2013

Fewer than three weeks after they were severely injured in the Boston Marathon bombings, Celeste Corcoran and her 18-year-old daughter, Sydney, are entering a new phase of recovery an...


Mother And Daughter Injured In Boston Bombing Face New Future

Wednesday, May 01, 2013

As victims of the Boston Marathon bombings leave the hospital or prepare to, their stories are beginning to pour out. Celeste Corcoran and her daughter, Sydney, both suffered grievous...