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.

Estrogen treatments may sharpen mental performance in some women

Estrogen treatments may sharpen mental performance in women with certain medical conditions, but University of Florida researchers suggest that recharging a naturally occurring estrogen receptor in the brain may also clear cognitive cobwebs.

29 Jul 2008

Cholesterol lowering drugs may protect against dementia

A new study has found more evidence that the drugs commonly used to lower cholesterol may also offer protection from dementia and memory loss.

29 Jul 2008

Fertility diet - influence of diet on fertility often overlooked

According to a British nutritionist, by making radical changes to their diet, older women can enhance their chance of conceiving.

29 Jul 2008

Accelerated bone turnover remains after weight loss

When a person is losing a significant amount of weight, they expect to notice changes in their body. However, they may overlook changes happening in their bones.

28 Jul 2008

Hormone deprivation therapy - used for prostate cancer - may cause recall and concentration problems

A recent review of the literature has found that hormone deprivation therapy, a commonly used treatment for prostate cancer, may have subtle adverse effects on cognition in patients--such as in the ability to recall and concentrate.

28 Jul 2008

Oxytocin hormone plays role in social bonding and maternal behaviors

Oxytocin was originally studied as the "milk let-down factor," i.e., a hormone that was necessary for breast-feeding. However, there is increasing evidence that this hormone also plays an important role in social bonding and maternal behaviors.

28 Jul 2008

Knowing means simplifying: gluten-free diet alone is enough to cure the bones of pediatric patients with celiac disease

Individuals affected by celiac disease (gluten intolerance) often present an altered calcium (Ca2+) metabolism that can cause osteopenia, a bone mass decrease due to the impaired adsorption of this mineral, which can lead to osteoporosis (in 35-85% of the cases).

27 Jul 2008

Clinical trials to examine mushrooms' cancer-fighting properties

The role of mushrooms in reducing the risk of breast and prostate cancers and in stunting the growth of these cancers will be tested shortly with the start of human clinical trials at the City of Hope research centre in California.

27 Jul 2008

Soyfoods Association response to research on soy in men

Headlines claiming "soy products lower sperm count" do not tell the whole story. The small scale, preliminary study that Dr. Jorge Chavarro, published online in Human Reproduction, is based on recollected intake of soyfoods and not on specific diets containing soyfoods.

24 Jul 2008

Soy lowers sperm levels

Men who eat an average of half a serving of soy food a day have lower concentrations of sperm than men who do not eat soy foods, according to research published online in Europe's leading reproductive medicine journal, Human Reproduction, today (Thursday 24 July). The association was particularly marked in men who were overweight or obese, the study found.

23 Jul 2008

The brain under pressure: Bristol Neuroscience attracts BBSRC grant

The Biotechnology and Biological Sciences Research Council (BBSRC) has awarded a grant of over £0.5 million to groups in the Laboratories for Integrative Neuroscience and Endocrinology and the MRC Centre for Synaptic Plasticity (project leader, Professor Kei Cho). The funding will support research into how brain cells maintain their performance, and create memories, during periods of acute stress.

23 Jul 2008

Abiraterone new drug for aggressive prostate cancer the best thing in 70 years

Scientists say a new drug which treats aggressive prostate cancer is possibly the most significant development in the field for 70 years.

22 Jul 2008

Reduced dose anthracycline post-breast cancer surgery has no effect on outcome

Canadian researchers have discovered that there is a low risk of adverse effect from reducing post-op chemo by up to 25%, according to findings published in the online journal ecancermedicalscience.

20 Jul 2008

Oxytocin may inhibit social phobia

Swedish and British scientists have shown using functional magnetic resonance imaging (fMRI) that the hormone oxytocin can inhibit feelings of anxiety in specific individuals. Their discovery might lead to a better understanding and the improved treatment of psychiatric affections in which people feel distressed when meeting others, such as in cases of autism and social phobia.

20 Jul 2008

Sleep patterns and ischemic risk in postmenopausal women

Postmenopausal women who regularly sleep more than nine hours a night may have an increased risk of ischemic stroke, researchers reported in Stroke: Journal of the American Heart Association.

19 Jul 2008

A search for the best prostate cancer treatment

A new Cancer Research UK clinical trial has been launched to investigate the best treatment options for men who have had surgery for early stage prostate cancer.

18 Jul 2008

Suckling infants trigger surges of trust hormone in mothers' brains

Researchers from the University of Warwick, in collaboration with other universities and institutes in Edinburgh, France and Italy, have for the first time been able to show exactly how, when a baby suckles at a mother's breast, it starts a chain of events that leads to surges of the "trust" hormone oxytocin being released in their mothers brains.

17 Jul 2008

Fred Hutchinson awarded $7.6 million to research how genetic variations influence risk of common diseases

Researchers at Fred Hutchinson Cancer Research Center have received a $7.6 million, four-year grant from the National Human Genome Research Institute to better understand the genetic and biological roots of common diseases. The Hutchinson Center is one of four U.S. research institutes to receive grants totaling about $31 million toward this effort.

17 Jul 2008

Turning on hormone tap could aid osteoporosis fight

A potential new drug that 'opens the taps' for the release of useful hormones could stimulate new bone growth - and may eventually bring relief to osteoporosis sufferers.

From The University of Manchester 16 Jul 2008

Removal of ovaries during hysterectomy

During hysterectomy operations, surgeons often remove a woman's ovaries as well as her uterus. Cochrane Researchers now say there is no evidence that removing the ovaries provides any additional benefit and warn surgeons to consider the procedure carefully.

16 Jul 2008