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New understanding of role cholesterol plays in causing heart attacks, strokes

Research by a Michigan State University cardiologist published in the September edition of Clinical Cardiology has shed new light on the role that cholesterol plays in causing heart attacks, strokes and other cardiovascular events in humans.

29 Aug 2005

Ellen MacKenzie to lead health policy and management department

Ellen J. MacKenzie, PhD, a leading expert in the study of injury prevention and trauma services research, has been selected to chair the Department of Health Policy and Management at the Johns Hopkins Bloomberg School of Public Health. MacKenzie, a professor in the Department and director of the Bloomberg School's Center for Injury Research and Policy , will begin her new duties on September 1, 2005.

29 Aug 2005

Leading medical journal says homeopathy no better than dummy drugs

Leading medical journal The Lancet has rubbished homeopathy and says it is no more value than dummy drugs.

29 Aug 2005

Supermolecules strike blow to cancer cells

Chemistry and biology researchers at Virginia Tech have enhanced the abilities of the molecules they are creating to deliver killing blows to cancer cells. The man-made molecular complexes enter cancer cells and, when signaled, deliver killing medicine or cause the cell to change.

29 Aug 2005

5-year-old British autistic boy dies after alternative therapy in U.S.

A 5-year-old British autistic boy has died after undergoing a controversial form of alternative therapy.

29 Aug 2005

Minimally invasive prostate removal aided by a robot has possible benefits, high cost

Although minimally invasive prostate removal aided by a robot can lead to less blood loss, shorter hospital stays and fewer complications, there is no evidence that the procedure improves cure rates, according to a new technology assessment.

29 Aug 2005

Study reveals functional link between emotion processing centers in the brain and certain physiological processes relevant to disease

The mere mention of a stressful word like "wheeze" can activate two brain regions in asthmatics during an attack, and this brain activity may be associated with more severe asthma symptoms, according to a study by University of Wisconsin-Madison researchers and collaborators.

29 Aug 2005

New method can detect 'mad cow' proteins in blood

Researchers at the University of Texas Medical Branch at Galveston (UTMB) have found a way to detect the malformed proteins in blood that cause "mad cow disease".

29 Aug 2005

Long-term hormone therapy used earlier in menopause is associated with fewer wrinkles

Long-term hormone therapy used earlier in menopause is associated with fewer wrinkles and less skin rigidity in postmenopausal women, Yale School of Medicine researchers report in the August issue of Fertility and Sterility.

28 Aug 2005

Previously unknown family of plague virulence factors identified

Researchers at Duke University Medical Center have identified a previously unknown family of virulence factors that make the bacterium responsible for the plague especially efficient at killing its host.

28 Aug 2005

Continued race and sex disparities heart attack care

Differences based on race and sex in treatment patterns for hospitalized American heart attack patients have remained unchanged over an eight-year period, despite improvements in quality of heart attack care during this time, Emory and Yale School of Medicine researchers write in the August 18 issue of New England Journal of Medicine.

28 Aug 2005

Inhibitory systems essential for controlling the pattern of activity in the cortex

Inhibitory systems are essential for controlling the pattern of activity in the cortex, which has important implications for the mechanisms of cortical operation, according to a Yale School of Medicine study in Neuron.

28 Aug 2005

Elevated blood lactate levels may indicate poor prognosis in liver failure

A new study on fulminant hepatic failure (FHF), a sudden and severe shutdown of the liver, examined ways of determining early on whether patients would benefit from a transplant as opposed to responding to other medical treatment. The results showed that elevated blood lactate levels indicate a poor prognosis and thus the need for a transplant.

28 Aug 2005

Ataxin-1 affects the development of the nervous system

In some neurological diseases, too much of what is usually a good thing can be bad, said researchers at Baylor College of Medicine in a report in this week's issue of the journal Cell.

28 Aug 2005

Neurotransmitter orexin influences reward processing - associated with pleasure and reward pathways in the brain

Researchers at the University of Pennsylvania School of Medicine have discovered that the recently identified neurotransmitter orexin (also known as hypocretin) influences reward processing by activating neurons in the lateral hypothalamus region of the brain.

28 Aug 2005

Nitric oxide synthase plays a role in peripheral vascular disease

The enzyme nitric oxide synthase plays a role in peripheral vascular disease, a common disease that impairs the mobility of 25 percent of people over the age of 50, according to a Yale study in the Proceedings of the National Academy of Sciences (PNAS).

26 Aug 2005