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.

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

New understanding of roles of insulin in obesity or type II diabetes

Researchers have uncovered new evidence suggesting factors other than genes could cause obesity, finding that genetically identical cells store widely differing amounts of fat depending on subtle variations in how cells process insulin.

14 Apr 2009

Young adults who have been incarcerated have increased risk of hypertension

Young adults who have been incarcerated appear more likely to have high blood pressure and left ventricular hypertrophy, an enlarging of the heart muscle that is a common consequence of hypertension, according to a report in the April 13 issue of Archives of Internal Medicine.

13 Apr 2009

New therapy for metastatic prostate cancer shows promise

A new therapy for metastatic prostate cancer has shown considerable promise in early clinical trials involving patients whose disease has become resistant to current drugs.

12 Apr 2009

More women with early-stage breast cancer opting for double mastectomies

A University of Minnesota cancer surgeon and researcher has found a dramatic increase in the number of women diagnosed with the earliest stage of breast cancer choosing to have both breasts surgically removed.

12 Apr 2009

Marijuana use may increase risk of testicular cancer

Frequent and/or long-term marijuana use may significantly increase a man's risk of developing the most aggressive type of testicular cancer, according to a study by researchers at Fred Hutchinson Cancer Research Center.

12 Apr 2009

Soybean chemicals may reduce menopause symptoms

Soy aglycons of isoflavone (SAI), a group of soybean constituent chemicals, have been shown to promote health in a rat model of the menopause.

9 Apr 2009

Research finds active brown fat in adult humans

Researchers at the Joslin Diabetes Center have demonstrated that adult humans still have a type of "good" fat previously believed to be present only in babies and children.

9 Apr 2009

Experimental drug lowers PSA levels

A new multi-center study shows that an experimental drug lowers prostate specific antigen (PSA) levels – a marker for tumor growth – in men with advanced prostate cancer for whom traditional treatment options have failed.

9 Apr 2009

Oral contraceptives linked to greater risk of systemic lupus erythematosus

The ratio of women to men with the autoimmune disease systemic lupus erythematosus (SLE) is nine to one and the incidence increases after puberty.

8 Apr 2009

New therapy for metastatic prostate cancer shows promise

A new therapy for metastatic prostate cancer has shown considerable promise in early clinical trials involving patients whose disease has become resistant to current drugs.

8 Apr 2009

Research finds insulin plays a key role in suppressing levels of glucagon

Researchers at the Joslin Diabetes Center have shown for the first time that insulin plays a key role in suppressing levels of glucagon, a hormone involved in carbohydrate metabolism and regulating blood glucose levels.

8 Apr 2009

Study examines benefits of psychosocial intervention for prostate cancer patients prior to surgery

Brief stress management sessions prior to and immediately after surgery may have both short- and long-term benefit for men undergoing a radical prostatectomy for early-stage prostate cancer, according to research from The University of Texas M. D. Anderson Cancer Center.

6 Apr 2009

Pre-surgical stress management improves mood, quality of life

6 Apr 2009

Niacin findings could open up new avenues for drug discovery

Deft molecular detective work at Duke University Medical Center suggests that scientists may soon be able to resurrect niacin as one of the best and cheapest ways to manage cholesterol.

6 Apr 2009