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.

New research may show why some prostate cancer recurs after treatment

Cancer researchers have long worked to understand why some prostate cancers recur after the use of therapies designed to stop the production of testosterone and other androgens that fuel cancer cell growth.

12 Oct 2007

Breast cancer awareness calls for cardiovascular awareness

Women who overcome breast cancer have every reason to celebrate. But a heart filled with joy may also be a heart damaged by life-saving cancer therapies, a growing body of research shows.

12 Oct 2007

Researchers reveal repressor protein blocks neural stem cell development

A protein known to repress gene transcription at the molecular level in a variety of processes also blocks embryonic neural stem cells from differentiating into neurons, according to a study by University of California, San Diego and Howard Hughes Medical Institute (HHMI) researchers published online October 10 in Nature.

10 Oct 2007

Obese people six times more likely to develop oesophageal cancer

Rates of oesophageal cancer have been rising rapidly, and in some countries, they have risen faster than those of every other major cancer, say the authors.

10 Oct 2007

Cancer conflict with adjuvant chemotherapy

Women under the age of forty with breast cancer who are given drugs in addition to lumpectomies or radiotherapy, known as adjuvant chemotherapy, may not be benefiting from these drugs.

10 Oct 2007

Stress is a contributing factor in human disease

In a review of the scientific literature on the relationship between stress and disease, Carnegie Mellon University psychologist Sheldon Cohen has found that stress is a contributing factor in human disease, and in particular depression, cardiovascular disease and HIV/AIDS.

10 Oct 2007

Surgery may offer best chance of long-term prostate cancer survival

A study from Switzerland suggests that men who have surgery for prostate cancer appear less likely to die of the disease within 10 years than men who choose other treatment options, especially if they are younger or have cancers with certain tumor cell characteristics, according to a report in the Oct. 8 issue of Archives of Internal Medicine, one of the JAMA/Archives journals.

9 Oct 2007

Surgery for prostate cancer appear to offer greatest survival chance

9 Oct 2007

Study links chemical to inhibited milk synthesis, secretion in humans

University of Cincinnati (UC) researchers have identified the neurotransmitter serotonin as the chemical responsible for inhibiting milk production and secretion in human mammary glands.

9 Oct 2007

Link between woman's hips and daughter's risk of breast cancer

In a study of the maternity records of more than 6,000 women, David J.P. Barker, M.D., Ph.D., and Kent Thornburg, Ph.D., of Oregon Health & Science University discovered a strong correlation between the size and shape of a woman's hips and her daughter's risk of breast cancer.

9 Oct 2007

Body-mind meditation helps reduce stress

A team of researchers from China and the University of Oregon have developed an approach for neuroscientists to study how meditation might provide improvements in a person's attention and response to stress.

9 Oct 2007

Hormones through Life conference

The Endocrine Society will present a panel of leading physicians and researchers for a half-day seminar/workshop titled "Hormones through Life."

8 Oct 2007

Norepinephrine and emotional memories

Both extensive psychological research and personal experiences confirm that events that happen during heightened states of emotion such as fear, anger and joy are far more memorable than less dramatic occurrences.

4 Oct 2007

How emotionally charged events leave their mark on memory

Researchers have uncovered new evidence in mice that may explain how emotionally charged situations can leave such a powerful mark on our memories.

4 Oct 2007

Even mildly underactive thyroid doubles risk of heart conditions

Individuals with subclinical hypothyroidism - a mildly underactive thyroid only detectable by a blood test - are twice as likely to develop heart failure, compared to those with normal thyroid levels, according to a new study presented on Thursday, Oct. 4, at the 78th Annual Meeting of the American Thyroid Association (ATA) in New York.

4 Oct 2007