Hormone News and Research

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A hormone is a chemical released by one or more cells that affects cells in other parts of the organism. Only a small amount of hormone is required to alter cell metabolism. It is essentially a chemical messenger that transports a signal from one cell to another.

Potential new therapeutic target for obesity

A hormone system linked to reducing food consumption appears to do so by increasing stress-related behaviors, according to a new study.

25 Sep 2007

Breast cancer death rate continues to drop

A report from the American Cancer Society finds the breast cancer death rate in the United States continues to drop more than two percent per year, a trend that began in 1990 and is credited to progress in early detection and treatment.

25 Sep 2007

HRT boosts libido but not memory

Hormone therapy in early post-menopause increases sexual interest, but does not improve memory, according to a study in the Sept. 25 issue of the journal Neurology.

25 Sep 2007

Stress and cardiovascular health

The importance of a healthy lifestyle to reduce stress in order to manage risk factors associated with adverse cardiovascular outcomes is emphasised in a Review in this week's edition of The Lancet.

24 Sep 2007

Growth hormone does not improve physical performance

Anyone who injects growth hormone with the intention of gaining muscle mass and improving performance should think again.

24 Sep 2007

Diets rich in rapidly-digested carbohydrates may cause fatty liver

Diets rich in rapidly-digested carbohydrates not only expand waistlines, but may also cause fatty liver, a condition that can lead to liver failure and death, finds a new study in mice.

21 Sep 2007

Functional brain imaging shows neural circuits contributing to pedophilia

Pedophilia, the sexual attraction of adults to children, is a significant public health concern and it does not respond well to treatment.

21 Sep 2007

New discovery on blood doping and anemia

A stunning discovery by German scientists may make blood doping and the treatment of severe anemia as easy as washing your hair.

21 Sep 2007

Brain controls the way fat is stored and metabolized

A system in the brain already known to regulate food intake also serves as a direct "remote control" for the way fat is stored and metabolized in the body, say University of Cincinnati (UC) researchers.

21 Sep 2007

Causes and treatments for gynecomastia

Gynecomastia, the benign enlargement of male breast tissue, is a common occurrence in adolescents as well as in middle-aged and older men.

20 Sep 2007

Sexual function affected by stem cell transplant according to long-term study

A long-term study found that a type of stem cell transplant used for patients with life-threatening diseases, such as leukemia and lymphoma, results in decreased sexual function and activity for recipients.

18 Sep 2007

Maternal depression and controlling behavior associated with increased stress response in infants

Teenage pregnancy is widely recognized to be a major public health concern.

18 Sep 2007

Women generally unaware of landmark hormone therapy study

Despite the huge publicity generated by a 2002 study on the potential dangers of hormone therapy for postmenopausal women, new research from the Stanford University School of Medicine found that only 29 percent of women surveyed knew about the study two years later.

18 Sep 2007

Secrets of protein folding revealed

A team led by biophysicist Jeremy Smith of the University of Tennessee and Oak Ridge National Laboratory (ORNL) has taken a significant step toward unraveling the mystery of how proteins fold into unique, three-dimensional shapes.

18 Sep 2007

Cellular spelunking

The surface of fat cells contains many small pockets called caveolae (because they look like caves in an electron microscope).

18 Sep 2007

High fat diet and exercise stimulate the breakdown of fats

Scientists report in the October issue of the Journal of Lipid Research that when either lean or obese individuals exercise after eating a high fat meal, their fats are broken down and oxidized in skeletal muscle, making them healthier.

18 Sep 2007

Circulating fats kill transplanted pancreas cells

New findings by UT Southwestern Medical Center researchers show that a byproduct of cholesterol metabolism interferes with the beneficial effects estrogen has on the cardiovascular system, providing a better understanding of the interplay between cholesterol and estrogen in heart disease.

18 Sep 2007

Cell death in sparrow brains may provide clues in age-related human diseases

A remarkable change takes place in the brains of tiny songbirds every year, and some day the mechanism controlling that change may help researchers develop treatments for age-related degenerative diseases of the brain such as Parkinson's and dementia.

18 Sep 2007

New material for joint replacement and other implants

For orthopaedic implants to be successful, bone must meld to the metal that these artificial hips, knees and shoulders are made of.

18 Sep 2007

Link between GERD and obesity in females

A group of scientists recently discovered an association between being overweightand a disease called gastro-esophageal reflux disease (GERD) in women.

17 Sep 2007