Here are some of the latest health and medical news
developments, compiled by the editors of HealthDay:
Some Young People With STDs Say They've Never Had Sex: Study
Ten percent of young adults who tested positive for one of three
common sexually transmitted diseases (STDs) said they hadn't had
sex in the previous year, including six percent who said they never
had sex, finds a new study.
The researchers said their findings from 14,000 participants who
were screened for chlamydia, gonorrhea, and trichomoniasis held
even after they factored in variables such as race, age, gender and
Washington Post reported.
The study was published in the journal
The researchers said their findings suggest that doctors should
use lab tests to screen all teens and young adults for STDs,
instead of focusing only on those who admit to being sexually
New Blood Test Could Improve Cancer Patients' Care
Scientists say they've developed a highly-sensitive blood test
for cancer that could lead to major improvements in patient
The new test can detect a single cancer cell among a billion
healthy cells, according to the Boston scientists who invented the
test. They'll team with Johnson & Johnson to bring the test to
market, and four major cancer centers will launch trials of the
test this year, the
Associated Press reported.
Cancer cells in the blood indicate that a tumor has spread or is
about to do so. Being able to capture and analyze these cells can
help doctors determine the best treatment approach and monitor the
effectiveness of treatments. The new test may also prove useful in
Currently, the only available test to find tumor cells in the
blood just gives a cell count, the
"There's a lot of potential here, and that's why there's a lot of excitement," Dr. Mark Kris, lung cancer chief at Memorial Sloan-Kettering Cancer Center in New York City, told the AP. He was not involved in the development of the new blood test, but Sloan-Kettering is one of the sites that will assess it.
Exercise Tied to Lower Risk of Colon Cancer Death: Study
Exercise may decrease your risk of dying from colon cancer,
according to a new study.
U.S. researchers analyzed physical activity levels and colon
cancer deaths among more than 150,000 women and men and found that
those who exercised consistently for at least 10 years were least
likely to die from colon cancer,
United Press International reported.
The study appears in the journal
Many people wonder whether exercise will help them stay healthy,
said researcher Kathleen Wolin, of the Siteman Cancer Center at
Washington University School of Medicine and Barnes-Jewish Hospital
in St. Louis.
"It's never too late to start exercising, but it's also never too early to start being active," she said in a news release, UPI reported.