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.

Researchers engineer adult stem cells derived from human umbilical cord blood to produce insulin

The researchers announced their laboratory finding, which caps nearly four years of research, in the June 2007 issue of the medical journal Cell Proliferation, posted online this week.

28 May 2007

Hormone therapy and menopause study

When is the best time in a woman's reproductive history to start hormone therapy?

24 May 2007

Double-standard exists in the way that men and women donors are valued by the fertility industry

When Sociologist Rene Almeling decided to look into the operations of U.S. sperm banks and egg agencies, the UCLA Ph.D. candidate in sociology thought she knew what she would find.

24 May 2007

Pure oxygen harms the brain

A paramedic or doctor plops a mask over the face of a person struggling to breathe and begins dispensing pure oxygen.

24 May 2007

Effects of estrogen therapy with perimenopausal women

When is the best time in a woman's reproductive history to start hormone therapy? How does estrogen therapy affect a woman's cognition and mood? What is the most beneficial form of estrogen?

24 May 2007

Sleep apnea is associated with gestational diabetes mellitus and pregnancy-induced hypertension

Sleep apnea is associated with a greatly increased incidence of pregnancy-induced diabetes and high blood pressure, according to a study presented at the American Thoracic Society 2007 International Conference, on Wednesday, May 22.

24 May 2007

Ramelteon does not impair balance, mobility or memory performance in older adults with insomnia

A new study presented today showed that ramelteon did not impair middle-of-the-night balance, mobility or memory performance in older adults with insomnia, relative to placebo.

24 May 2007

Obese people more likely to have persistent or severe persistent asthma

A new study presented at the American Thoracic Society 2007 International Conference finds that obese people are significantly more likely to have persistent or severe persistent asthma than their thinner counterparts.

24 May 2007

COX inhibitors may weaken protective qualities of estrogen therapy

Researchers from the University of Pennsylvania School of Medicine found in a database study of women heart patients that COX inhibitors such as traditional nonsteroidal anti-inflammatory drugs (NSAIDs) may undermine any purported protection against heart disease in participants taking estrogen therapy.

24 May 2007

Bad sex is in the hormones

A group of Italian investigators of the University of Ancona and l’Aquila have reviewed the literature concerned with the relationship between hormone alterations and sexual dysfunctions in the May issue of Psychotherapy and Psychosomatics.

22 May 2007

Red wine protects men from prostate cancer

Researchers have found that men who drink an average of four to seven glasses of red wine per week are only 52% as likely to be diagnosed with prostate cancer as those who do not drink red wine, reports the June 2007 issue of Harvard Men's Health Watch .

22 May 2007

Women diagnosed with breast cancer should either get exercising or keep exercising

This is the message from a new study in Springer's Journal of Cancer Survivorship by Catherine Alfano and colleagues at the Ohio State University.

22 May 2007

In some species estrogen plays a key role in aggressiveness

Imagine if a naturally occurring chemical in your body could help make you feel more calm and relaxed ? but it would only work during the long days of summer.

22 May 2007

FDA soon to approve contraceptive pill Lybrel that also stops periods

The Food and Drug Administration (FDA) in the United States is about to approve a birth control pill with a double whammy.

21 May 2007

New breast cancer treatment may dispense with the need for chemotherapy

According to the latest research new hormone therapy drugs designed to treat breast cancer may dispense with the need for chemotherapy thus avoiding the nasty side effects associated with the treatment.

21 May 2007

Hormone treatment could cut need for chemo in some younger breast cancer patients

Around 5,500 pre-menopausal breast cancer patients could be offered a hormone drug that is shown to be as effective as traditional chemotherapy - and so avoid potential infertility and long-term menopausal side effects - according to a Cancer Research UK report published in The Lancet.

20 May 2007

Glucose plays a key role in enabling healthy beta cells

A key aspect of how embryos create the cells which secrete insulin is revealed in a new study published in the Journal of Biological Chemistry.

18 May 2007

Health effects of isoflavones and breast cancer

Are soy products healthy additions to a person's diet, safe alternatives to hormone-replacement therapy or cancer-causing agents" The answer, according to University of Illinois food science and human nutrition professor William Helferich, is, "It depends."

17 May 2007

Merits and risks of postmenopausal hormone therapy

The study was categorized as a primary prevention trial for coronary heart disease, although the fact that mean age at recruitment was 63 years was not given enough importance at that time. WHI investigators concluded that hormone therapy (HT) was not cardioprotective, and, in fact, its riskbenefit ratio did not favor the use of postmenopausal hormones for prevention of chronic diseases.

17 May 2007

Herpes infection may be symbiotic

Mice with chronic herpes virus infections can better resist the bacterium that causes plague and a bacterium that causes one kind of food poisoning, researchers report in Nature.

17 May 2007