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Stories tagged: research


Midlife Diet Won’t Cut Risk Of Breast Cancer

Adopting a low-fat diet at midlife or later probably won’t reduce a woman’s risk of breast cancer, a study suggests. Pooling and analyzing the results of seven previous studies involving …


Ordinary Lights May Disrupt Sleeping Patterns

Ordinary household lighting makes it harder to get up in the morning because it resets the body’s internal clock, a study suggests. While scientists long have known that bright light …


Baboon Bone Marrow Fails To Help Aids Patient

Baboon bone marrow implanted in an AIDS patient to boost his failing immune system has apparently failed to work, doctors said Wednesday. But the AIDS patient, 38-year-old Jeff Getty, is …


Hiv Infects Chimpanzee, Then Mutates

For the first time, a chimpanzee is known to have developed AIDS a finding that confirms for the first time that HIV-1, the human virus responsible for most of the …


Cancer Rate Study Raises Questions

A study of cancer rates in Eastern Washington raises more questions than it answers and a doctor warned it is too early to draw conclusions. The recently published Eastern Washington …


Link Between Abortion, Breast Cancer Weak

A link, if any, between abortion and breast cancer is weak, according to a new study that echoes earlier findings. Although 10 states are considering legislation that would require abortion …


Formula Predicts Cancer Risk

Mayo Clinic doctors say they have developed a formula for telling the difference between prostate cancers that require surgery and those that grow so slowly they can safely be left …


Jupiter Provides A Number Of Surprises For Researchers

The Galileo probe that plunged into the turbulent atmosphere of Jupiter last month has intensified one of the giant planet’s persistent mysteries: Where is the water? Preliminary data released Monday …


Scientists Find Safe Way To Destroy Cfcs

Yale scientists have discovered a way to convert stockpiles of the banned chemical that eats away at the Earth’s ozone layer into salt and an ingredient used in toothpaste. In …


Beta Carotene Pills Don’t Help Most People Supplement May Actually Hurt Smokers, Study Finds

Beta carotene supplements do not protect Americans against cancer or heart disease, and might actually increase smokers’ risk of deadly lung tumors, the government declared Thursday. National Cancer Institute researchers …


Lowering Aids Levels Extends Lives, Studies Say

New studies have shown for the first time a relationship between lower levels of AIDS virus in an infected patient’s bloodstream and a longer, better life for the patient, according …


Gene Tied To Early Breast Cancer

A single bad gene appears to cause a significant share of breast cancer in young women, especially Jews, in whom it may trigger more than a quarter of all cases …


Genetic Test For Women Comes With A Warning

A genetic test that could provide early warning for women who have a high risk of breast or ovarian cancer is now available through local doctors, but policy experts are …


Master Switch Deep In Brain Controls Sleep Discovery May Lead To More Efficient Medications For Insomnia

Scientists report that they have found a master switching mechanism for sleep. When the switch - a tiny clump of cells found deep in the brain - is turned on, …


Low Fat Linked To Low Blood Lead

Children exposed to lead will absorb less of it if they eat less fat, a new study suggests. Certain nutrients have long been known to affect the rate at which …


Excitability Gene Found Studies First To Associate Gene With Personality Trait

Scientists say they’ve identified a gene that influences how impulsive, excitable, quick-tempered and extravagant you are, a possible step toward unraveling the genetics of personality. Two studies provide the first …


Study Says Anti-Worm Pills Could Significantly Reduce Anemia

Three pills a year, at a cost of 15 cents, can dramatically reduce blood loss and prevent anemia in the 400 million school-aged children around the world who are infected …


Scientists Link Gene To Heart Flaw

A newly identified gene has been linked to about 55 percent of cases of an inherited heart disorder that can kill young, otherwise healthy people. It’s the third gene to …


Nasa Launches X-Ray Satellite To Study Stars

NASA’s X-Ray Timing Explorer was considered essential enough to be launched Saturday in spite of the federal government shutdown. The $195 million satellite, the size of a small bus, is …


Hiv Test Would Use Saliva Instead Of Blood

A confirming test for HIV that uses saliva and other oral fluids instead of blood is nearing approval by the Food and Drug Administration, a company that makes the test …


Scientists Announce New Human Gene Map

A new map of the human gene pattern has reached the halfway point of identifying the 30,000 markers that can help guide researchers to the location of the approximately 100,000 …


Ovarian Reimplant Developed Controversial Procedure Could Help Avoid Infertility

Doctors are offering what they say is a new means of helping women with cancer avoid infertility from chemotherapy and radiation: They remove an ovary before the treatment begins, freeze …


The Latest From Jupiter: Ones And Zeros

Engineers at the Jet Propulsion Laboratory in Pasadena were all ears Saturday as the Galileo spacecraft began to send back news of its encounter with Jupiter almost a full day …


Daring Dart Toss Paid Off For Science, By Jove UI Prof Among Scientists Who Waited 15 Years For Jupiter Probe

Some $250 million in technology hit Jupiter’s atmosphere at 2:04 p.m. Thursday, and all David Atkinson could do was rely on the watch on his wrist to get him through …


Probe Drops In On Jupiter Scientists Celebrate First Encounter With Gas Giant

A 746-pound probe from the Galileo spacecraft entered the harsh, whirling gases of Jupiter’s atmosphere Thursday and sent back 75 minutes of precious data before it disintegrated. After receiving weather …


Scientists Find Proteins In Body That Block Hiv Race Is On To Find Out Why These Chemicals Do What They Do

Dr. Robert Gallo and a team of scientists at the National Cancer Institute say they have found three chemicals made by the body that block the progress of AIDS a …


Experts: Limit Cancer Drug’s Use

The National Cancer Institute is recommending that doctors limit use of the drug tamoxifen in the treatment of breast cancer to only five years. A study showed there was no …


Study Suggests Shift Work Bad For Women’s Hearts

Working rotating shifts may be hazardous to women’s hearts, a study suggests. The study, in today’s issue of the American Heart Association journal Circulation, says women nurses who worked irregular …


No Evidence Drugs Deter Heart Disease Millions Taking Medication Without Any Proof It Works

When the smoke had cleared, the two cardiologists agreed on only one thing: Millions of Americans with high blood pressure are taking costly and possibly harmful drugs with no proof …


All Men Can Trace Y Chromosomes To One Ancestor, New Study Reports

Every man on Earth today can trace his Y chromosome to one male who lived about 190,000 years ago, before anatomically modern humans had evolved, a study suggests. There were …