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.

Testosterone in the womb linked to autism

The researchers believe the results reinforce findings from tests on animals and also support the hypothesis that higher levels of testosterone may contribute to autism.

12 Sep 2007

New insight into breast cancer development in high-risk women

Physicians who treat women with the breast cancer susceptibility gene BRCA1 often remove their patients' ovaries to eliminate the source of estrogen they believe fuels cancer growth.

12 Sep 2007

Generic prostate drug finasteride helps find high-risk cancers early

Men now have another good reason to consider taking finasteride, a well-known generic drug that shrinks an enlarged prostate and reduces the risk of getting prostate cancer by 25 percent.

12 Sep 2007

St. Jude follows outcomes of stem cell transplant survivors

Patient care at St. Jude doesn't stop when the child is cured. The end of successful therapy is the start of many years of follow-up care. This care is aimed at helping make the recovery process successful and preparing the family and hometown doctor for long-term complications that might arise from the disease or its treatment.

11 Sep 2007

Significant association between alcohol and endometrial cancer in postmenopausal women

Postmenopausal women consuming two or more alcoholic beverages a day may double their risk of endometrial cancer, suggests a study led by researchers at the University of Southern California (USC). The study will appear in the International Journal of Cancer, and is now available online.

10 Sep 2007

Some with breast cancer stop taking aromatase inhibitors because of joint and muscle pain

More than 10 percent of women with breast cancer stopped taking a commonly prescribed drug because of joint and muscle pain, according to a new study from researchers at the University of Michigan Comprehensive Cancer Center.

10 Sep 2007

Researchers develop a long-acting growth hormone for use in human therapy

The new discovery could mean that children and adults with growth hormone disorders will not have to have injections as often, reducing the need for daily treatments.

5 Sep 2007

Lavender oil and tea tree oil may make boy's breasts bigger

A study published in this week's issue of the New England Journal of Medicine suggests that repeated topical use of products containing lavender oil and/or tea tree oil may cause prepubertal gynecomastia, a rare condition resulting in enlarged breast tissue in boys prior to puberty, and for which a cause is seldom identified.

5 Sep 2007

Halting rabies in the brain

While rabies, an ancient scourge that still kills 70,000 every year in developing countries worldwide can be combated with a series of vaccines today, it nearly is always fatal when it reaches the brain.

5 Sep 2007

Do not ignore fatigue

Jennifer Sieck knew something had to be done when she would lie in bed most of the day and night.

5 Sep 2007

Mice stressed in simulated weightlessness show organ atrophy

A ground-based, experimental model used to simulate astronaut weightlessness in space has provided Rutgers scientists an opportunity to study the effects of stress on immune organs.

4 Sep 2007

Adult offspring of parents with PTSD have lower cortisol levels

A small study suggests that adults whose parents are Holocaust survivors with post-traumatic stress disorder (PTSD) appear to have lower average levels of the stress hormone cortisol than the adult offspring of parents without PTSD, according to a report in the September issue of Archives of General Psychiatry, one of the JAMA/Archives journals.

4 Sep 2007

Fat: An active player in the regulation of many processes in health and disease

Why should we be interested in doing obesity-related research? Emphasis is put on this type of research simply because of the fact that the epidemiological data and predictions are alarming. Worldwide it is estimated that one person in every eight is overweight and more than 300 millions are obese

3 Sep 2007

Women warned about cosmetic vaginal surgery

The American College of Obstetricians and Gynecologists (ACOG) has warned women against cosmetic procedures advertised as "vaginal rejuvenation," "designer vaginoplasty", "revirgination" and "G-spot amplification".

3 Sep 2007

Even kindies stress out before school

British researchers have found that even children at kinder garden can find school a stressful place.

3 Sep 2007

Interferon alpha revs immune cells but cancer cells ignore it

A new study shows that an important drug used in the treatment of malignant melanoma has little effect on the melanoma cells themselves. Instead, it activates immune-system cells to fight the disease.

3 Sep 2007

Discovery suggests location of genes for breast density, a strong risk factor for breast cancer

Studying the DNA of 889 people, gene hunters at the Mayo Clinic and H. Lee Moffitt Cancer Centers have identified a region on chromosome 5p that is significantly associated with dense breast tissue, a known risk factor for breast cancer.

2 Sep 2007

Neurotransmitter current not flowing through ion channels

In studying how neurotransmitters travel between cells -- by analysis of events in the dimensions of nanometers -- Cornell researchers have discovered that an electrical current thought to be present during that process does not, in fact, exist.

30 Aug 2007

How neurotransmitters travel between cells

In studying how neurotransmitters travel between cells - by analysis of events in the dimensions of nanometers - Cornell researchers have discovered that an electrical current thought to be present during that process does not, in fact, exist.

30 Aug 2007

FDA approves Somatuline Depot to treat acromegaly

The U.S. Food and Drug Administration has approved Somatuline Depot (lanreotide acetate injection) for the treatment of acromegaly, a rare and potentially life threatening disease in adults caused by abnormal secretion of growth hormone (GH), commonly from a benign tumor located in the pituitary gland located in the brain.

30 Aug 2007