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Scientists discover how androgen plays a role in the development of prostate cancer

Scientists have discovered for the first time a specific biochemical pathway by which the sex hormone, androgen, increases levels of harmful chemicals called reactive oxygen species (ROS) in the prostate gland that play a role in the development of prostate cancer.

8 Nov 2006

Toxic chemicals affecting childrens brains

According to a new report toxic chemicals may be causing a pandemic of brain disorders because of inadequate regulation.

8 Nov 2006

New device for busting nits

A team of biologists in the U.S. have come up with a device which eradicates head lice infestations in children.

7 Nov 2006

Mini artificial liver grown from stem cells

Scientists in Britain have grown the first artificial liver from stem cells, which is the first step in a process which within 10 years could see livers being grown in a laboratory for human transplants.

1 Nov 2006

Polymer and ceramic biodegradable materials that carry bone growth enhancing substances

Rapid and guided healing of bones has moved a step closer with research by two biomedical engineering students who have found new ways to deliver bone growth enhancers directly to broken or weakened bones.

31 Oct 2006

Mobile phones increase mens' risk of infertility

More doubt has been cast on the safety of mobile phones by a new study which says men who use them could be risking their fertility.

24 Oct 2006

Ecology of microbial invasions

Infectious disease can play a key role in mediating the outcome of competition between rival groups, as seen in the effects of disease-bearing conquistadors in the New World - or, on a much smaller ecological scale, the ability of bacteria to spread their viruses to competing bacteria.

23 Oct 2006

Otoferlin, defective in a human deafness form, is essential for exocytosis at the auditory ribbon synapse

By studying a gene earlier linked to deafness in humans, researchers now have new insight into the molecular process by which components of the inner ear send messages to the brain.

20 Oct 2006

Scientists discover how brain turns on system designed to protect nerve cells from toxic "free radicals"

Scientists at Dana-Farber Cancer Institute report they have found how the brain turns on a system designed to protect its nerve cells from toxic "free radicals," a waste product of cell metabolism that has been implicated in some degenerative brain diseases, heart attacks, strokes, cancer, and aging.

20 Oct 2006

Scientists discover why some bacteria are naturally magnetic

Scientists at the Naval Research Laboratory (NRL) and Purdue University have shed light on one of microbiology's most fascinating mysteries--why some bacteria are naturally magnetic.

20 Oct 2006

Comprehensive review backs health benefits of eating fish

There is ample research advocating the nutritional benefits of eating fish and shellfish because fish is high in protein and omega-3 fatty acids.

18 Oct 2006

Do the risks of eating fish outweigh the benefits? Yes or No

Fish is high in protein and omega-3 fatty acids. But concerns have been raised in recent years about chemicals found in fish from environmental pollution, including mercury, PCBs and dioxins. That has led to confusion among the public--do the risks of eating fish outweigh the benefits?

17 Oct 2006

Why organs fail following massive trauma

Massive trauma, say from a sabertooth tiger attack, meant immediate death for the primitive human.

17 Oct 2006

Cocktail of two drugs heals damaged hearts

A cocktail of drugs has been found in trials with animals to heal damaged heart muscle.

10 Oct 2006

More 'eco-friendly' hospitals being built

Hospitals are beginning to build "more efficient, eco-friendly facilities with 'sustainable' design features" as the industry "embarks on a $200 billion construction program over the next decade to replace or rebuild decaying facilities and meet growing demand from aging baby boomers," the Wall Street Journal reports.

5 Oct 2006