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Heart and stroke death rates steadily decline; risks still too high

In an appropriate prelude to American Heart Month, which is just ahead in February, new mortality data from the Centers for Disease Control and Prevention (CDC) shows that, since 1999, coronary heart disease and stroke age-adjusted death rates are down by 25.8 percent and 24.4 percent, respectively.

23 Jan 2008

Genetic switches could lower cost of producing drugs, proteins

Bacteria have evolved complex mechanisms called quorum sensing systems that provide for cell-to-cell communication, an adaptation that allows them to wait until their population grows large enough before mounting an attack on a host or competing for nutrients.

23 Jan 2008

Gene variations associated with effectiveness of blood pressure medications

Patients with hypertension and certain gene variations experienced varying results with some blood pressure medications, suggesting matching a patient's genotype with certain hypertension medications could result in more favorable outcomes, according to a study in the January 23 issue of JAMA: The Journal of the American Medical Association.

23 Jan 2008

Scientists render Ebola harmless in the laboratory

Scientists in the United States say that they have found a way to make the lethal Ebola virus harmless in the laboratory.

23 Jan 2008

Food peptides activate bitter taste receptors

Researchers from the Monell Center and Tokyo University of Agriculture have used a novel molecular method to identify chemical compounds from common foods that activate human bitter taste receptors.

23 Jan 2008

Dark-field X-rays give more revealing images of body tissue

A new method of using standard X-ray equipment gives scientists more revealing images of body tissue.

23 Jan 2008

Connection between vitamin E and subsequent decline in physical function for older adults

Low serum concentration of vitamin E, an indication of poor nutrition, is associated with physical decline for older persons, according to a study in the January 23 issue of JAMA: The Journal of the American Medical Association.

23 Jan 2008

Same-sex couples just as committed in relationships as heterosexual couples

Their finding disputes the stereotype that couples in same-sex relationships are not as committed as their heterosexual counterparts and are therefore not as psychologically healthy.

23 Jan 2008

Do national dietary guidelines do more harm than good?

For nearly three decades, Americans have become accustomed to hearing about the latest dietary guidelines, which are required by federal regulation to be revised and reissued at five-year intervals.

23 Jan 2008

Myostatin inhibitors may make injuries more likely

Block the action of a protein that normally regulates muscle mass, and watch your muscles grow.

23 Jan 2008

Researchers look at link between inability to express emotions and sleep disturbances

A group of Finnish investigators has explored the relationship between alexithymia (the inability to express emotions) and sleep disturbances in the 2008 January issue of Psychotherapy and Psychosomatics.

23 Jan 2008

Eating out in New York City will be a healthy affair

As from the end of March this year diners at fast food restaurants in New York will have the full picture on the calorie content of what they are being served.

23 Jan 2008

Racial and ethnic differences among patients with extremity soft-tissue sarcomas

A new study reveals significant racial and ethnic differences in the treatment and survival of patients with soft-tissue sarcomas, a rare but dangerous cancer that begins in muscle, fat, blood vessels or other supporting tissue of the body.

23 Jan 2008

German Research Foundation skeptical on cloning of human cells

According to a paper published in the journal Stem Cells, an American group has succeeded in inserting cell nuclei from human skin cells into human enucleated oocytes and to stimulate these new cells to undergo cell division in the laboratory.

23 Jan 2008

Debate over safety of gene therapy trials focuses on issue of informed consent

Can a patient who agrees to participate in a safety study of a gene therapy protocol give truly informed consent and understand the risks involved when the consent forms are highly technical and the physician or institution seeking their consent has a stake in the study and its outcome?

23 Jan 2008

India facing a bird flu disaster

According to a health official in India, the country's latest outbreak of bird flu could be disastrous.

23 Jan 2008

Risk of death cut in half with 30 minutes of exercise in men

Increased exercise capacity reduces the risk of death in African-American and Caucasian men, researchers reported in Circulation: Journal of the American Heart Association.

23 Jan 2008

Red meat and diet sodas - a recipe for metabolic syndrome

The latest research from the U.S. has found that people who eat two or more servings of red meat a day and drink diet sodas, are at risk of developing conditions leading to heart disease and diabetes.

23 Jan 2008

Computer model for osteoporosis diagnostics

Osteoporosis, a common age-related disease, is being investigated by a group of biomechanical engineers at Vienna University of Technology (TU Vienna).

23 Jan 2008

Treatment with hormone suppression therapy and radiation improves survival for certain prostate cancer patients

Men with localized prostate cancer who were treated with male hormone suppression therapy and radiation treatment had longer survival, but those with moderate to high levels of other illnesses did not experience this effect, according to a study in the January 23 issue of JAMA: The Journal of the American Medical Association.

23 Jan 2008