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Newly discovered WU virus may explain some respiratory infections

An ongoing effort to identify the microorganisms that make us sick has discovered a new virus potentially linked to unexplained respiratory infections.

18 May 2007

Origins and mechanisms of morality

How much money would it take to get you to stick a pin into your palm?

18 May 2007

Lipoic acid appears to slow down the process of aging

Researchers have identified the mechanism of action of lipoic acid, a remarkable compound that in animal experiments appears to slow down the process of aging, improve blood flow, enhance immune function and perform many other functions.

18 May 2007

Latent memory of cells comes to life

New Danish research has examined the mechanisms behind latent cell memory, which can come to life and cause previously non-existent capacities suddenly to appear.

18 May 2007

Hair relaxers not associated with increased risk of breast cancer in black women

Hair dye use has been associated with an increased risk of various cancers in some studies, but these results have generally not been confirmed. The present study is the first to assess hair relaxers in relation to a cancer.

18 May 2007

Mammals have the power to regenerate

Researchers at the University of Pennsylvania School of Medicine have found that hair follicles in adult mice regenerate by re-awakening genes once active only in developing embryos.

18 May 2007

Celecoxib offers promise for premature babies

Scientists have found evidence that the cox-2 inhibitor celecoxib, a common pain reliever used to treat arthritis, may offer a new way to reduce the risk of the most common cause of brain damage in babies born prematurely.

18 May 2007

Chronic pain can impair your memory and your concentration

Anyone who has experienced chronic pain knows that it affects the ability to work, sleep and perform other activities essential to leading a full life.

18 May 2007

Antibody-based therapies effective at controlling malaria

Passive immunization through the development of fully human antibodies specific to Plasmodium falciparum may be effective at controlling the disease, report researchers led by Dr. Richard S.

18 May 2007

Link between extreme sleep disorder and onset of parkinsonism or dementia

Mayo Clinic researchers and a group of international collaborators have discovered a correlation between an extreme form of sleep disorder and eventual onset of parkinsonism or dementia.

17 May 2007

US soldiers in Iraq fighting drug-resistant bacteria after injuries

US soldiers in Iraq do not carry the bacteria responsible for difficult-to-treat wound infections found in military hospitals treating soldiers wounded in Iraq, according to an article to be published electronically on Wednesday, May 16, 2007, in Infection Control and Hospital Epidemiology.

17 May 2007

Researchers develop first images of physical changes in brain cells thought to underlie memory

University of California, Irvine researchers have developed the first images of the physical changes in brain cells thought to underlie memory, a discovery that is already uncovering clues about memory loss linked to cognitive disorders.

17 May 2007

Parks rich in species good for people's general well-being

Researchers at the University of Sheffield have found that parks rich in species are not only beneficial for the environment but also for people's general well-being.

17 May 2007

Researchers identify the cancer stem cell for rhabdomyosarcoma

As published in the June 1 issue of Genes & Development, Dr. Leonard Zon (Children's Hospital Boston) and colleagues have identified the cancer stem cell for rhabdomyosarcoma, the most common soft-tissue sarcoma of childhood.

17 May 2007

Herpes infection may be symbiotic

Mice with chronic herpes virus infections can better resist the bacterium that causes plague and a bacterium that causes one kind of food poisoning, researchers report in Nature.

17 May 2007

Promoter hypermethylation is common in breast cancer

Cancer epidemiologists at the University at Buffalo have identified specific genes that are most likely to become cancer promoters when exposed to a process called DNA promoter hypermethylation.

17 May 2007

Researchers catch moving proteins in mid-fold

Any photographer can vouch for the difficulty of capturing a clear picture of a moving target.

17 May 2007

Cocoa extract may be an effective natural alternative to fluoride in toothpaste

For a healthy smile brush between meals, floss regularly and eat plenty of chocolate.

17 May 2007

Potential new treatments for hemorrhagic shock

Blood loss due to severe internal injuries requires rapid action to prevent mortality.

17 May 2007

Virtual Iraq provides better understanding of post-traumatic stress disorder

Weill Cornell Medical College researchers are using a virtual reality simulation called "Virtual Iraq" to better understand how symptoms of post-traumatic stress disorder (PTSD) develop.

17 May 2007