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Study explains why physical activity is beneficial in preventing heart attack and stroke

It is well known that physical activity can improve cardiovascular health. But it's the impact exercise has on specific known risk factors that accounts for about 60 percent of that improvement, researchers reported in Circulation: Journal of the American Heart Association.

22 Oct 2007

Stem cells from a person's own umbilical cord effectively treat blood and immune disorders, juvenile diabetes

Two separate data abstracts displayed at the annual scientific meeting of the AABB - an international association of medical professionals and institutions focused on transfusion, transplantation and cellular therapy - highlight the increasing therapeutic use of autologous (one's own) cord blood stem cells for transplant and regenerative medicine, including treatments for blood and immune disorders, juvenile diabetes and neurological repair.

22 Oct 2007

Spending more for lung cancer treatment did not substantially increase patients' lives

A new study finds that survival for elderly patients with lung cancer has changed little despite large increases in healthcare expenditures for lung cancer treatment.

22 Oct 2007

Sleep-deprivation causes brain to overreact to negative experiences

Without sleep, the emotional centers of the brain dramatically overreact to negative experiences, reveals a new brain imaging study in the October 23rd issue of Current Biology, a publication of Cell Press.

22 Oct 2007

Severely restricting calories leads to a longer life

New research now has shown for the first time that such a diet also can maintain physical fitness into advanced age, slowing the seemingly inevitable progression to physical disability and loss of independence.

22 Oct 2007

Scientists uncover how hormones achieve their effects

The first quantitative study of protein complexes that transmit pheromone signals in living yeast cells sheds light on a crucial signalling process also found in humans.

22 Oct 2007

Gold-like drugs to treat arthritis

Scientists at Duke University Medical Center may have solved the mystery surrounding the healing properties of gold - a discovery they say may renew interest in gold salts as a treatment for rheumatoid arthritis and other inflammatory diseases.

22 Oct 2007

New polymer for use in joint reconstruction

Researchers in the Campbell Clinic Department of Orthopaedic Surgery at the University of Tennessee Health Science Center in Memphis, Tennessee, presented a paper that indicates a new polymer under study for applications in joint reconstruction can significantly reduce up to seven times the harmful chemicals formed as a result of the presence of wear particle debris in the body.

22 Oct 2007

Researchers discover genes linking stress, high blood pressure, alcoholism and tobacco addiction

A team led by a Heart and Stroke Foundation researcher has uncovered a series of genes linking mental stress, high blood pressure, alcoholism and tobacco addiction.

22 Oct 2007

New method of oral insulin delivery patented

Syracuse University researchers have designed, tested and patented a new method of oral insulin delivery that can potentially help reduce daily insulin injections for millions of people with diabetes who require therapy for optimal glycemic control.

22 Oct 2007

Physicians successfully trained to perform cataract surgery in rural China

Patients in rural China who received cataract surgery from specially trained non-ophthalmologists had improved vision 10 to 14 months following surgery, according to an article that will appear in the November 2007 print issue of Archives of Ophthalmology.

22 Oct 2007

Study looks at physician migration

Physicians moving from developing countries to work in the United States, Canada, Australia and the United Kingdom are more likely to originate from wealthier developing countries than less developed countries.

22 Oct 2007

Interventions that improve nutrition and environmental conditions can help decrease child deaths worldwide

Interventions that improve nutrition and environmental conditions can also provide substantial gains toward the goal of reducing child mortality, especially when the interventions prioritize the poor, according to a study in the October 24/31 issue of JAMA, a theme issue on poverty and human development.

22 Oct 2007

Suppression can lead to rebellion

A research project carried out by a University of Hertfordshire academic has found that thought suppression can lead people to engage in the very behaviour they are trying to avoid.

22 Oct 2007

Heparanase shows potential as cancer drug

Laboratory experiments have previously shown that cancer cells overproduce an enzyme, heparanase, which splits the body's own polysaccharide heparan sulfate into shorter fragments.

22 Oct 2007

Hispanics and African Americans are less likely to use commercial weight loss programs

A new analysis of a landmark weight loss survey suggests that Hispanics and African Americans are more likely than whites to use unproven dietary supplements for weight loss.

22 Oct 2007

More fast food means greater body mass index

Americans are less willing to pay more for healthy dishes, less knowledgeable about healthy menu items, and more likely to consider healthy items bland tasting, finds a Temple University analysis.

22 Oct 2007

More educated people who develop dementia lose their memory faster

People with more years of education lose their memory faster than those with less education in the years prior to a diagnosis of dementia, according to a study by researchers at Albert Einstein College of Medicine of Yeshiva University, published in the October 23rd issue of the medical journal Neurology.

22 Oct 2007

Novel therapeutic device captures and treats cells as they flow through the blood stream

MIT and University of Rochester researchers report important advances toward a therapeutic device that has the potential to capture cells as they flow through the blood stream and treat them.

22 Oct 2007

Microbix Biosystems granted U.S. patent for its influenza vaccine

Microbix Biosystems Inc. has been granted a patent by the U.S. Patent Office for its technology - VIRUSMAX - which enables vaccine manufacturers to double the amount of influenza vaccine they produce each year.

22 Oct 2007