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.

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

Young women on the pill suffer impaired muscle gains from weight lifting

According to American researchers women who take oral contraceptives (OC) could find any muscle which might be gained from resistance exercise training is impaired.

20 Apr 2009

Jet lag disrupts sleep by throwing two neural centers out of sync

New research by scientists in the U.S. has revealed that the disrupted sleep which results from jet lag and shift work occurs in two separate but linked groups of neurons below the hypothalamus at the base of the brain.

19 Apr 2009

Canadian experts on irritable bowel syndrome

While more than six per cent of Canadians suffer from this troublesome disease - characterized by on-going abdominal pain, discomfort, bloating, and severe bouts of either diarrhoea or constipation - most Canadians, including many physicians, know little about it.

16 Apr 2009

Scientists use eye tracking to detect mild dementia in humans

Researchers at the Yerkes National Primate Research Center, Emory University, developed a test in nonhuman primates that is now using infrared eye tracking to detect mild cognitive impairment (MCI) in humans.

15 Apr 2009

Melatonin medication helpful for sleep problems in children with autism, Fragile X syndrome

A study in the April 15 issue of the Journal of Clinical Sleep Medicine determined that over-the-counter melatonin medication can shorted the length of time it takes for children with autistic spectrum disorder (ASD), Fragile X Syndrome (FXS), or both to fall asleep at the beginning of the night.

15 Apr 2009

Stressed pregnant women more likely to have asthmatic children

Pregnant women who are stressed, particularly late in pregnancy, have an increased risk of their child going on to develop asthma, according to the latest research from Children of the 90s.

15 Apr 2009

Pancreatic islets show promise in diabetes research, treatments

The use of pancreatic islets (hormone-producing cells) is increasing in diabetes research and may play an important role in future treatments, according to an article in the April 15 issue of JAMA, the Journal of the American Medical Association.

14 Apr 2009