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The circadian rhythm of glucocorticoids is regulated by a gating mechanism residing in the adrenal cortical clock

In mammals, including humans, a master clock in the brain and subordinate clocks found in organs throughout the body coordinate daily, or circadian, rhythms of behavior and physiology.

8 Aug 2006

Botox offers an additional tool in preventing the formation of bad scars

Mayo Clinic researchers have found that treating a facial wound in the early healing phase with botulinum toxin (Botox) improves the appearance of a scar later.

8 Aug 2006

Discovery of mechanism that may explain post-transplant lymphoproliferative disorder

A serious form of cancer that occurs in some transplant patients may arise because cells that normally serve as scouts for the immune system become weakened, a new study suggests.

8 Aug 2006

Little known about the impacts of cancer on the Australian workforce

Thirty seven thousand Australians aged 20-64 years of age were diagnosed with cancer in 2001 yet surprisingly little is known about the impacts of cancer on the Australian workforce.

8 Aug 2006

New understanding of how our brains process sensory information

The same chemical in the body that is targeted by the drug Viagra. also helps our brains "boot up" in the morning so we can process sights, sound, touch and other sensory information.

8 Aug 2006

Do regulatory T cells have a role in human ocular Chlamydia trachomatis infection?

Trachoma, which is caused by ocular infection with Chlamydia trachomatis, remains the leading infectious cause of blindness and in 2002 was responsible for 3.6% of total global blindness.

8 Aug 2006

A new discovery shows that the brain rewires itself following an experience

The research further shows that this process of creation, testing, and reconfiguring of brain circuits takes place on a scale of just hours, suggesting that the brain is evolving considerably even during the course of a single day.

8 Aug 2006

New tool to study protein kinase A - linked to heart failure

Scientists studying heart cells have devised a new way to visualize and quantify the rise and fall in the activity of a key enzyme linked to heart failure.

8 Aug 2006

Researchers develop new technique using the abdominal cavity to deliver oxygen to assist ailing lungs

Researchers at the University of Pennsylvania School of Medicine have helped develop a technique in animal models for using the abdominal cavity to exchange gas, supplementing the function normally performed by the lungs.

8 Aug 2006

Exercise important in reducing size of abdominal fat cells

Reducing the size of abdominal fat cells - which are a risk factor for diabetes and heart disease - takes more than cutting calories, according to new research from Wake Forest University Baptist Medical Center.

8 Aug 2006

Gene amplification links growth controlling pathway from Drosophila to human cancers

Researchers at Harvard Medical School (HMS) and Massachusetts General Hospital (MGH) have discovered a new cancer-promoting role for a gene potentially involved in breast, liver, and other kinds of cancers.

8 Aug 2006

Allergic rhinitis linked to the development of Parkinson's disease

Researchers from Mayo Clinic have discovered that allergic rhinitis is associated with the development of Parkinson's disease later in life. Findings will be published in the Aug. 8 issue of the journal Neurology.

7 Aug 2006

Nicotine shows promise as treatment against Parkinson's disease

New research suggests that nicotine treatment protects against the same type of brain damage that occurs in Parkinson's disease.

7 Aug 2006

Effects of sleep deprivation on the brain

Everyone needs sleep, but temporary periods with no sleep can be a reality of military operations.

7 Aug 2006

Scientists discover two proteins responsible for detecting sour tastes

A team led by Duke University Medical Center researchers has discovered two proteins in the taste buds on the surface of the tongue that are responsible for detecting sour tastes.

7 Aug 2006

Gene defects in young present serious risk from environmental tobacco smoke

The dangers of passive smoking are even more pronounced among young people carrying common gene defects, researchers at the University of Dundee have found.

7 Aug 2006

Metal-organic crystals with large pores store drugs and release them over time

A French–Spanish research team has now developed a new type of carrier that can take on a particularly large "load" of medication and then release it in a controlled fashion: metal–organic frameworks with large cavities.

7 Aug 2006

New blood test picks up early breast cancer

A new blood test has been developed by an international team of scientists which can detect the very early stage of breast cancer.

7 Aug 2006

Radioactive treatment can set off security alarms

According to a new case report patients receiving radioactive isotopes should be warned that they may trigger radiation alarms for several weeks after the treatment has been completed.

7 Aug 2006

Researchers gain insight into how to prevent teen pregnancy

Younger teen-agers who become pregnant tend to view pregnancy as a way to form or enhance connections with others, and are less likely to think they are unprepared to raise a child.

7 Aug 2006