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Researchers in Portugal have discovered that a specific mutation of the COX2 gene seems to play a role in the onset of ovarian cancer, increasing women’s susceptibility to developing the disease.

The discovery raises the possibility that, if the findings are confirmed by further studies, it might be possible to use non-steroidal anti-inflammatory drugs (NSAIDs), such as aspirin and ibuprofen, which are used already for other conditions, to prevent ovarian cancer developing in women with the COX2 mutation.

Building aircraft wings with a special aluminium fibre combination makes them nearly immune to metal fatigue.

The application of this technology, partly developed at Delft University of Technology, will lead to substantial savings. The unusual qualities of this special material (called CentrAl, an abbreviation of Central Reinforced Aluminium) can make a significant contribution to the development of truly energy-efficient, ‘green’ aircraft. Lower fuel consumption and reduction of maintenance costs could lead to worldwide savings as high as $100 billion.

Fatigue is a phenomenon that affects materials after long-term exposure to cyclic loading. As a result of varying loads, fractures eventually occur.

Researchers at the Centre for Addiction and Mental Health (CAMH) have clarified the link between alcohol consumption and the risk of head and neck cancers, showing that people who stop drinking can significantly reduce their cancer risk.

So enjoy it while you can. Governments will outlaw drinking in bars next.

According to CAMH Principal Investigator Dr. Jürgen Rehm, existing research consistently shows a relationship between alcohol consumption and an increased risk for cancer of the esophagus, larynx and oral cavity. Dr.

New research in radiotherapy has found acupuncture does not relieve nausea caused by cancer treatment, despite widespread belief among cancer patients and health care professionals that it does. Maybe that's good enough.

The study evaluated the effectiveness of acupuncture in 215 patients with various types of cancer who got either active acupuncture or a sham treatment that involved an identical looking and feeling needle that retracted into the handle on contact with the skin.

The treatment, in the forearm, was given two or three times a week during the whole period of radiotherapy, which is a common schedule. The patients documented their nausea and vomiting in diaries and completed questionnaires during and after the radiotherapy course.

Researchers at UC San Diego and UC Irvine have found evidence that supports the theory that reproductive competition during the evolution of primate species has occurred at the level of sperm cell motility.

A team led by Michael Berns, an adjunct professor of bioengineering at UCSD and a professor of biomedical engineering at the Beckman Laser Institute at UC Irvine, and UCSD Ph.D.

Cryptochromes, which fulfill the molecular requirements for sensing the magnetic reference direction, have recently been found in retinal neurons of migratory birds (Mouritsen et al., PNAS, 2004). Furthermore, studies investigating what parts of a migratory bird´s brain are active when the birds use their magnetic compass showed that the cryptochrome-containing neurons in the eye and a forebrain region (“Cluster N”; Mouritsen et al., PNAS, 2005; Liedvogel et al., EJN, 2007) are highly active during processing of magnetic compass information in migratory birds. Sensory systems process their particular stimuli along specific brain circuits.