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People only need to walk up to 12 miles per week or for about 125 to 200 minutes per week to improve their heart health

The amount of exercise may be more important than intensity to improve cardiovascular health, according to a new analysis of the first randomized clinical trial evaluating the effects of exercise amount and intensity in sedentary overweight men and women.

10 Oct 2005

Technique for inserting genes into specific sites on the genome in liver cells

The genes are inserted into non-coding regions of the genome so there is no danger of interfering with the functioning of other genes. Once inserted, the gene remains a permanent part of the cell's genome.

10 Oct 2005

Obesity linked to dementia and Alzheimer's disease

Individuals who were obese at midlife had an increased risk for dementia later in life compared to individuals of normal weight, according to an article in the October issue of Archives of Neurology.

10 Oct 2005

Astrocytes modulate adenosine - thought to be important in controlling wake-to-sleep transitions and epileptic seizures

Researchers at the University of Pennsylvania School of Medicine have demonstrated that star-shaped glial cells in the brain called astrocytes are directly involved in regulating communication between neurons.

10 Oct 2005

Scientist shed light on bizarre reproductive conflicts encountered by hermaphroditic animals

By directly manipulating mating performance in a tropical sea slug, Chelidonura hirundinina, researchers of the University of Tubingen have now shed light on the bizarre reproductive conflicts encountered by hermaphroditic animals. In some hermaphroditic species, such as C. hirundinina, mating partners may insist on copulating as a "male," "female," or both, resulting in unique biological conflicts over gender.

10 Oct 2005

Potential new treatment for stroke

"The study was designed to test if IL-1ra is safe in stroke patients and showed promising results," said Professor Rothwell, a world-renowned neuroscientist based in the University's Faculty of Life Sciences.

From The University of Manchester 10 Oct 2005

People with epilepsy 4 times more likely to have attempted suicide before ever having a seizure

A new study concludes that widespread screening for cardiovascular risk by measuring blood levels of C-reactive protein (CRP), a protein produced by the liver, should not be advocated.

10 Oct 2005

Chinese men swapping tiger penis for Viagra

Chinese men are selectively switching from traditional Chinese medicine (TCM) to Viagra to treat erectile dysfunction, but sticking with tradition for ailments such as arthritis, indigestion and gout, according to new research published in Environmental Conservation.

10 Oct 2005

Top 12 health issues facing Australian children

Alarming levels of poorer health within indigenous children and those from lower socio-economic backgrounds tops a new list of 12 major issues threatening the future health of Australia.

10 Oct 2005

New way to measure the impact of AIDS on the living brain

A new University of California - Los Angeles/University of Pittsburgh imaging study for the first time shows the selective pattern of destruction inflicted by AIDS on brain regions that control motor, language and sensory functions. High-resolution 3-D color scans created from magnetic resonance images (MRI) vividly illustrate the damage.

10 Oct 2005

Performing a sentinel node biopsy prior to mastectomy and reconstruction gives best results

Altering the standard step-by-step procedure that takes women facing a mastectomy from diagnosis to surgery to reconstruction can improve the process and help in determining if immediate reconstruction is the best course of action, according to new research from the University of North Carolina at Chapel Hill.

10 Oct 2005

Too often, society sees 'masculinity' as the reasons why men abuse their bodies and minds

We spend more time worrying about how to get Aussie men to do more housework than we do trying to understand why blokes continue to kill themselves in great numbers each year, according to University of Western Sydney men's health researchers.

10 Oct 2005

100% efficacy for cervical cancer vaccine

Final-stage clinical trials of a cervical cancer vaccine developed by University of Queensland (UQ) scientists, have shown the drug to be 100 per cent effective.

10 Oct 2005

Colorectal cancer screening rates remain low

Investigators failed to see improvement in colorectal cancer (CRC) screening rates among patients enrolled in a managed care health plan after testing the effectiveness of a CRC screening promotion program targeting the physician organizations (POs).

10 Oct 2005

CT colonography best choice for regular screening for cancer

Colorectal cancer is the second leading cause of cancer deaths in most developed countries. Screening for colorectal malignancies and polyps (which frequently become cancerous) has been shown to lower the number of deaths from cancer. Most cancer societies and preventive task forces recommend regular screening for cancer of the colon.

10 Oct 2005

Eating fish lowers risk of dementia

Consuming fish at least once a week was associated with a 10 percent per year slower rate of cognitive decline in elderly people, according to a new study from the Archives of Neurology.

10 Oct 2005

Electron-beam computed tomography - a more accurate replacement for coronary catheterizations

Electron-beam computed tomography (EBCT) is more accurate than conventional catheter angiography for detecting a dangerous congenital heart abnormality that could cause sudden death, according to research by a Saint Louis University radiologist published last month in Catheterization and Cardiovascular Interventions: Journal of the Society for Cardiovascular Angiography and Interventions.

10 Oct 2005