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Researchers capture the electrical activity of a single sperm cell

Researchers at Children's Hospital Boston and the Howard Hughes Medical Institute have, for the first time, captured the electrical activity of a single sperm cell. The technically difficult maneuver, reported in Nature, allows the first measurement of the currents that flow across the sperm's outer membrane.

14 Feb 2006

Researchers capture the electrical activity of a single sperm cell

14 Feb 2006

Herbal supplements and plastic surgery don't mix well

Natural herbal supplements are supposed to help boost our immune systems, give us more energy and make us generally healthier.

14 Feb 2006

Measuring levels of NT-proBNP protein predicts long-term risk in patients with shortness of breath

Researchers from Massachusetts General Hospital (MGH) have shown that a blood test previously found useful for diagnosing heart failure and determining prognosis in several cardiovascular conditions can also predict the risk of death among patients coming to hospital emergency departments with shortness of breath.

14 Feb 2006

Some patients with glaucoma have higher pressure at night

Some patients with glaucoma appear to have higher pressure in their eyes during sleep at night than during the day when it is usually measured, possibly putting them at higher risk for progression of the disease than previously thought, according to a study in the February issue of Archives of Ophthalmology.

14 Feb 2006

Panorama programme lead to significant increase in adverse paroxetine reports

The number of adverse reactions reported by UK doctors to the antidepressant paroxetine - often know by its brand name Seroxat - rose by 61 per cent after three editions of the BBC's award-winning current affairs programme Panorama explored increasing concerns about the drug.

14 Feb 2006

Study provides animal model of depression

A Florida State University scientist used a gene transfer technique to block the expression of a gene associated with clinical depression in a new study of mice that could lead to better treatment of human beings with this condition.

14 Feb 2006

Discovery of new cord blood cells

Researchers at the University of Minnesota Medical School have discovered a new population of cells in human umbilical cord blood that have properties of primitive stem cells.

14 Feb 2006

Potential universal strategy for treating drug addiction

An international research team led by the University of Saskatchewan has discovered a signaling pathway in the brain involved in drug addiction, together with a method for blocking its action, that may point to a single treatment strategy for most addictions.

14 Feb 2006

Vitamin D could provide beneficial treatment to prostate cancer

Vitamin D can inhibit the spread of prostate cancer cells by limiting the activity of two specific enzymes, University of Rochester Medical Center scientists report.

14 Feb 2006

Music therapy helps sick babies

A project led by a researcher from the University of Western Sydney has found that music therapy can help sick babies in intensive care maintain normal behavioural development, making them less irritable, upset and less likely to cry.

14 Feb 2006

Robot assisted knee surgery significantly more accurate than conventional surgery

The team found there were no additional side effects from using robot assisted surgery, and recovery from surgery was quicker in most cases.

14 Feb 2006

UT Southwestern embraces robotic technology to advance future of surgery

Having a surgeon with four arms is one of the advantages of the latest robotic technology now being studied at UT Southwestern Medical Center.

14 Feb 2006

New understanding of the molecular genetics of successful fertilization

A new paper in the February 15th issue of Genes & Development lends novel insight into the cellular changes that occur in sperm while they reside in the female reproductive tract - providing a new understanding of the molecular genetics of successful fertilization.

14 Feb 2006

Low-carb diets effective, but may raise cholesterol levels

A synthesis of data from five previous clinical trials suggests that both low-fat and low-carbohydrate diets appear to be effective for weight loss up to one year, but low-carbohydrate diets may be linked to higher overall and LDL or "bad" cholesterol levels, according to a study in the Archives of Internal Medicine.

14 Feb 2006

Tumor size serves as a prognostic indicator for curability

Smaller tumors in the lungs appear to be less likely to have spread than larger tumors among patients with asymptomatic lung cancer, suggesting that early screening may be useful in detecting cancers that are still curable, according to a new article in the Archives of Internal Medicine.

14 Feb 2006

Broccoli, cauliflower and cabbage help repair damaged DNA

Need another reason to eat your vegetables? New research shows that some of them contain chemicals that appear to enhance DNA repair in cells, which could lead to protection against cancer development, say Georgetown University Medical Center researchers.

14 Feb 2006

Stem cell injections may help those with severe peripheral artery disease

Indiana University School of Medicine scientists have begun a unique clinical trial using stem cell injections as a treatment that could offer hope to tens of thousands of people who face sores, ulcers and even amputations due to severe peripheral artery disease.

14 Feb 2006

20 percent of people with chronic pain do not seek help

A Rochester-based study has found more than 20 percent of people with chronic pain did not seek physician help for their pain. The study supports the opinion of many physicians that a large segment of patients has an unmet need for pain care.

14 Feb 2006

Study looks at why many couples tend to look similar to each other

A new study to examine facial preference, has found that people are attracted to facial characteristics indicative of personality traits similar to their own.

14 Feb 2006