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.

Genetic profiling reveals genes active in the earliest brain circuit construction

Long before the brain's neurons can facilitate life's big decisions, they have to find their own destiny in the rapidly developing embryo.

31 May 2009

$Vitamin D and Calcium supplements help prevent bone fracture in the elderly$

Vitamin D and Calcium supplements help prevent bone fracture in the elderly

We all know that vitamin D and calcium are good for bones, but research teams in Europe and USA have shown that both taken daily reduces the rate of hip fracture in older people by 20%.

27 May 2009

Discovery of biological markers that may indicate poor breast cancer prognosis

A team of researchers has found an association between breast cancer survival and two proteins that, when present in the blood in high levels, are indicators of inflammation.

26 May 2009

Transition to menopause may cause trouble learning

The largest study of its kind to date shows that women may not be able to learn as well shortly before menopause compared to other stages in life. The research is published in the May 26, 2009, print issue of Neurology, the medical journal of the American Academy of Neurology.

25 May 2009

FDA approves Samsca (tolvaptan) to treat hyponatremia

The U.S. Food and Drug Administration has approved Samsca tablets (tolvaptan) to treat hyponatremia, an abnormally low concentration of sodium in the blood.

22 May 2009

Arsenic exposure linked to influenza A (H1N1) susceptibility

The ability to mount an immune response to influenza A (H1N1) infection is significantly compromised by a low level of arsenic exposure that commonly occurs through drinking contaminated well water, scientists at the Marine Biological Laboratory (MBL) and Dartmouth Medical School have found.

20 May 2009

Good advice for a healthy pregnancy

Women can increase their chances for a healthy pregnancy by eating right, exercising, not smoking, and getting early medical care, says a podcast featuring a National Institutes of Health obstetrician who oversees research on pregnancy and birth.

20 May 2009

Couples to rely on new male contraceptive for new trial

Couples are being asked to replace their usual form of birth control with a new male contraceptive in a study to test its effectiveness.

From The University of Manchester 20 May 2009

Chinese body and mind training gets results with students in just 5 days!

Chinese researchers have unravelled how a training technique adapted from traditional Chinese medicine works to reduce stress and enhance learning.

19 May 2009

A new path for cocaine addiction research

Cocaine is one of the oldest drugs known to humans, and its abuse has become widespread since the end of the 19th century. At the same time, we know rather little about its effects on the human brain or the mechanisms that lead to cocaine addiction.

19 May 2009

HRT-breast cancer risk stays same, regardless of family history

The risk of developing breast cancer due to taking hormone replacement therapy appears to be the same for women with a family history of the disease and without a family history, a University of Rochester Medical Center study concluded.

19 May 2009

Relationship discovered between tumors and depression

In a study that could help explain the connections between depression and cancer, researchers at the University of Chicago have used an animal model to find, for the first time, a biological link between tumors and negative mood changes.

18 May 2009

Women more susceptible to damaging effects of smoking than men

Women may be more susceptible to the lung damaging effects of smoking than men, according to new research by Inga-Cecilie Soerheim, M.D., and her colleagues from Channing Laboratory, Brigham and Women's Hospital and University of Bergen, Norway.

18 May 2009

Many low-income women breast cancer patients skipping hormonal therapy, lowering their survival rates

Many low-income women are failing to take the hormonal therapy prescribed as part of their breast cancer treatment, possibly lowering their survival rates, according to a study led by a researcher in the Duke Comprehensive Cancer Center.

18 May 2009

Thyroid surgery outcomes may be worse in pregnant women

Pregnant women appear to have worse clinical and economic outcomes after thyroid and parathyroid surgery compared with women who are not pregnant, according to a report in the May issue of Archives of Surgery.

18 May 2009

Two new genes decide when a girl starts menstruation

An international team of researchers have identified two genes that are involved in determining when girls begin menstruation.

18 May 2009

Could sleep be a critical component to maintaining a healthy body weight?

Could sleep be a critical component to maintaining a healthy body weight? According to new research to be presented on Sunday, May 17, at the American Thoracic Society's 105th International Conference in San Diego, body mass index (BMI) is linked to length and quality of sleep in a surprisingly consistent fashion.

17 May 2009

Determining success or failure in cholesterol-controlling drugs

Researchers at the University of California, San Diego have discovered that a complex network of interactions between drugs and the proteins with which they bind can explain adverse drug effects. Their findings suggest that adverse drug effects might be minimized by using single or multiple drug therapies in order to fine-tune multiple off-target interactions.

15 May 2009

Old diabetes drug Metformin teaches experts new tricks

Research from the Johns Hopkins Children's Center reveals that the drug most commonly used in type 2 diabetics who don't need insulin works on a much more basic level than once thought, treating persistently elevated blood sugar - the hallmark of type 2 diabetes - by regulating the genes that control its production.

15 May 2009