Medical News

RSS

Sex hormone progesterone metabolite allopregnanolone reduces stress

A steroid hormone released during the metabolism of progesterone, the female sex hormone, reduces the brain's response to stress, according to research in rats by scientists at Emory University School of Medicine, the Yerkes National Primate Research Center and Atlanta's Center for Behavioral Neuroscience.

9 Feb 2005

Researchers have discovered an ample source of stem cells in an uncharted part of the umbilical cord

The study, published in the February issue of Stem Cells, outlines how researchers discovered that the jelly-like connective tissue surrounding the blood vessels of the human umbilical cord, the so-called "Wharton's Jelly," is rich in mesenchymal progenitor cells – cells that generate bone, cartilage and other tissues – and can be harvested to generate an abundant supply in a short amount of time.

9 Feb 2005

Chronic nicotine exposure worsens some Alzheimer’s-related brain abnormalities

UCI researchers have determined that chronic nicotine exposure worsens some Alzheimer’s-related brain abnormalities, contradicting the common belief that nicotine can actually be used to treat the disease.

9 Feb 2005

Artemisinin could selectively kill cancer cells while leaving normal cells unharmed

Researchers at the University of Washington have blended the past with the present in the fight against cancer, synthesizing a promising new compound from an ancient Chinese remedy that uses cancer cells' rapacious appetite for iron to make them a target.

9 Feb 2005

Universities are effective sites for anti-smoking efforts

College campuses provide a captive audience for cigarette-makers, but a new review of tobacco intervention studies suggests that universities are also effective sites for anti-smoking efforts.

9 Feb 2005

How polychlorinated biphenyls open brain cells to Parkinson's assault

University of Rochester scientists investigating the link between PCBs, pesticides and Parkinson's disease demonstrated new and intricate reactions that occur in certain brain cells, making them more vulnerable to injury after exposures.

9 Feb 2005

Keeping a gun locked and unloaded lowers the risk of unintentional injuries

According to background information in the article, the presence of a household firearm is associated with an increased risk of suicide among adults and adolescents. In a study of suicide attempters and completers, investigators found that 75 percent of the guns were stored in the residence of the victim, friend, or relative.

9 Feb 2005

Patients with cancer have a 7-fold increased risk for blood clots in the legs or lungs

Studies that identify patients at highest risk of thrombosis are scarce, according to background information in the article. It is unclear what risks are for various types and stages of cancer.

9 Feb 2005

Ximelagatran effective for preventing blood clots and stroke

A medication that could simplify anticoagulation therapy, ximelagatran, was found to be as effective as other common therapies for preventing stroke and recurrent blood clots

9 Feb 2005

Screening for toxoplasmosis for all pregnant women and newborns is necessary

Physicians found that signs, symptoms and identifiable risk factors are absent in more than half of the mothers of infants with congenital toxoplasmosis in a national study of children with this disease.

9 Feb 2005

PAHO vaccines books wins major award

The Pan American Health Organization’s publication, Vaccines: Preventing Disease and Protecting Health, has won an award from the Association of American Publishers in the medical science category.

9 Feb 2005

Inserting corrective genes into the brain to fight Parkinson's disease

An international team of scientists has used gene therapy in two separate studies to renew brain cells and restore normal movements in monkeys and rats with a drug-induced form of Parkinson's disease.

8 Feb 2005

Traditional Indian medicine, herb Salacia oblonga may help treat diabetes

Herbs used in traditional Indian medicine to treat diabetes seems to lower blood sugar and insulin levels in a manner similar to prescription drugs, a new study reports.

8 Feb 2005

Abandoned bones suggest TB wiped out leprosy in battle of killer diseases

The spread of tuberculosis may have killed off leprosy in Europe in the Middle Ages, according to research published in the latest issue of the Royal Society Proceedings B.

8 Feb 2005

Fruit juices do play role in healthy diet

Contrary to what consumers may have heard recently about fruit juice consumption, numerous research studies over the years have found no connection between appropriate consumption of fruit juices and being overweight.

8 Feb 2005

Eat carrots to fight cancer

Scientists have given us another reason to eat carrots - a compound found in the popular root vegetable has been found to have an effect on the development of cancer.

8 Feb 2005

Project makes Europe a leader in biocrystallography

A project to create a common platform throughout Europe for researchers working in the field of ‘biological crystallography’ is underway thanks to a grant of 10 million euros from the EU’s 6th Framework Programme (FP6).

8 Feb 2005

Merck may have known the overuse of mercury in their vaccines posed a dangerous health threat to children

A Los Angeles Times article today reports that Merck, a leading manufacturer of prescription drugs, knew the overuse of mercury in their vaccines posed a dangerous health threat to children.

8 Feb 2005

Researchers find way to produce cholesterol-lowering snack chips

Brandeis University biology professor K.C. Hayes and Senior Research Associate Andy Pronczuk at the school's Foster Biomedical Research Laboratory, and Senior Scientist Daniel Perlman in the Physics Department have discovered a way to produce chips and other snack foods that can actually lower your cholesterol while you eat them - without having any impact on taste

8 Feb 2005

Health risks increase in Guyana with leptospirosis

Leptospirosis has become a health concern in Guyana, as the number of cases continues to rise and 43 people were being treated for suspected cases of the bacterial disease, which is usually caused by exposure to water contaminated with the urine of infected animals.

8 Feb 2005