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.

Discrepancies between reports of HRT dangers and supporting data

In recent years, a series of highly publicized reports have warned of increases in breast cancer and other health problems in postmenopausal women who take hormone replacement therapy (HRT).

23 Apr 2009

Test for hormones in blood not reflective of hormones in breast tissue; breast cancer risk

Many studies determine hormone levels in the blood as a marker of breast cancer risk.

22 Apr 2009

Hormone therapy may lower colorectal cancer risk in women

In a large study, a national team of researchers led by Mayo Clinic scientists observed that self-reported use of hormone therapy was associated with a significantly lower colorectal cancer risk.

22 Apr 2009

Mitochondrial peptide Humanin linked to neuronal cell survival and regulation of glucose metabolism

Recent studies have shown that the mitochondrial peptide Humanin (HN) protects against neuronal cell death such as happens in Alzheimer's disease.

22 Apr 2009

Number of women dying from breast cancer hits record low

The number of women dying from breast cancer has fallen to less than 12,000 for the first time since national statistics were recorded almost 40 years ago, Cancer Research UK reveals today.

22 Apr 2009

Children who witness violence show symptoms of post-traumatic stress

They also suffer physiological effects with a disruption to their normal cortisol production pattern during the day, which may have long-term negative effects on their health.

22 Apr 2009

Researchers study why people who are obese become hypertensive

When Francois Abboud began his work at the University of Iowa in 1960, little was known about the constant physiological chatter between the brain and the blood vessels.

22 Apr 2009

Poor sleep disturbs neuroendocrine control of appetite

Laboratory and epidemiological studies continue to show that sleep curtailment and/or decreased sleep quality can disturb neuroendocrine control of appetite, leading to overeating, and can decrease insulin and/or increase insulin resistance, both steps on the road to Type 2 diabetes.

22 Apr 2009

Too much sugar is bad, but which sugar is worse: Fructose or glucose?

In 2005, the average American consumed 64kg of added sugar, a sizeable proportion of which came through drinking soft drinks.

21 Apr 2009

Pregnancy hormone hCG protects against breast cancer even in short-term treatments

One of the most effective ways to prevent breast cancer is through a full-term pregnancy at an early age.

21 Apr 2009

Psoriasis increases risk for developing diabetes and hypertension in women

Women with psoriasis appear to have an increased risk for developing diabetes and hypertension (high blood pressure), according to a report in the April issue of Archives of Dermatology.

21 Apr 2009

Removal of ovaries during hysterectomy increases risk of death, outweighs benefits

Results of a landmark study led by a doctor at John Wayne Cancer Institute at Saint John's Health Center raises serious questions about the long-term survival benefits of removing a woman's ovaries during routine hysterectomy.

20 Apr 2009

Human lung tumors can eliminate Vitamin D

Human lung tumors have the ability to eliminate Vitamin D, a hormone with anti-cancer activity, a new study from the University of Pittsburgh Cancer Institute (UPCI) suggests.

20 Apr 2009

Fulvestrant influences the effects of chemotherapy drugs on breast cancer cells

Researchers from The Cancer Institute of New Jersey (CINJ) are converging on Denver for the 100th Annual Meeting of the American Association for Cancer Research (AACR) to share their findings on a combined treatment targeting breast cancer that is stimulated by the hormone estrogen (estrogen receptive positive).

20 Apr 2009

Exposure to Agent Orange increases risk of aggressive recurrence of prostate cancer

Veterans exposed to Agent Orange are at increased risk of aggressive recurrence of prostate cancer, researchers report.

20 Apr 2009

Oral contraceptives impair muscle mass gains in young women

Many active young women use oral contraceptives (OC) yet its effect on their body composition and exercise performance has not been thoroughly studied.

20 Apr 2009

Low lead levels in children can affect cardiovascular responses to stress

Even low levels of lead found in the blood during early childhood can adversely affect how the child's cardiovascular system responds to stress and could possibly lead to hypertension later in life, according to a study from the State University of New York (SUNY) at Oswego.

20 Apr 2009

Laughter improves health

The connection between the body, mind and spirit has been the subject of conventional scientific inquiry for some 20 years.

20 Apr 2009

Research shows how p53 mutations link to high-grade breast cancer, poor outcomes

In what is believed to be the largest study of its kind in the US, researchers have found that almost 26 percent of women studied who have breast cancer have mutations in a gene important in controlling cell growth and death, and that patients with mutations in this gene - known as p53 - had poorer outcomes including a significantly increased risk of death from the cancer.

20 Apr 2009

Menstrual cycle affects knee joints

New research from the Faculty of Kinesiology at the University of Calgary has found a connection between the laxity of a woman's knee joint and her monthly hormone cycle.

20 Apr 2009