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.

Novel approach for developing an AIDS vaccine

Researchers at the Yerkes National Primate Research Center, Emory University, believe conventional vaccine strategies should not be the only avenue explored in the development of an effective AIDS vaccine.

7 Aug 2009

More insulin-producing cells from a single transcription factor switch

Researchers have found a way in mice to convert another type of pancreas cell into the critical insulin-producing beta cells that are lost in those with type I diabetes. The secret ingredient is a single transcription factor, according to the report in the August 7th issue of Cell, a Cell Press journal.

7 Aug 2009

Botanicals do not have an effect on hot flashes or on cognitive function in menopausal women

Two studies conducted by researchers at the University of Illinois at Chicago and Northwestern University have found that commonly used botanicals do not have an effect on hot flashes or on cognitive function in menopausal women.

6 Aug 2009

New approach targets gut hormone to lower blood sugar levels

A research team led by Dr. Tony Lam at the Toronto General Research Institute and the University of Toronto discovered a novel function of a hormone found in the gut that might potentially lower glucose levels in diabetes.

6 Aug 2009

Healthy choices to prevent cancer

In today's troubled economy, saving money is a hot topic. No matter what gets cut from your budget, however, experts at The University of Texas M. D. Anderson Cancer Center believe that healthy choices to prevent cancer shouldn't be on the list.

5 Aug 2009

Biological mechanisms contribute to stress resilience

It is important to understand what biological mechanisms contribute to an individual’s capacity to be resilient under conditions of extreme stress, such as those regularly experienced by soldiers, police, and firefighters.

5 Aug 2009

Leptin influences baseline dopamine levels and motivation to eat

As we all know from experience, people eat not only because they are hungry, but also because the food just simply tastes too good to pass up. Now, a new study in the August 6th Cell Metabolism, a Cell Press publication, helps to explain how leptin, a hormone produced by fat tissue, influences that motivation to eat.

5 Aug 2009

Discovery of novel function of hormone found in gut that may lower glucose levels in diabetes

5 Aug 2009

Social stress linked to visceral fat, atherosclerosis

A new study done by researchers at Wake Forest University School of Medicine shows that social stress could be an important precursor to heart disease by causing the body to deposit more fat in the abdominal cavity, speeding the harmful buildup of plaque in blood vessels, a stepping stone to the number one cause of death in the world.

5 Aug 2009

Workplace meditation and yoga lowers stress

Twenty minutes per day of guided workplace meditation and yoga combined with six weekly group sessions can lower feelings of stress by more than 10 percent and improve sleep quality in sedentary office employees, a pilot study suggests.

4 Aug 2009

New findings on role of diet on breast cancer risk

How you eat may be just as important as how much you eat, if mice studies are any clue. Cancer researchers have long studied the role of diet on breast cancer risk, but results to date have been mixed.

4 Aug 2009

Seed implants suitable prostate cancer treatment for men of all ages

Men diagnosed with prostate cancer have a number of treatments to choose from, but it's a daunting task to figure out the right mix of therapies for an individual patient.

3 Aug 2009

FDA approves Onglyza (saxagliptin) for type 2 diabetes

The U.S. Food and Drug Administration has approved Onglyza (saxagliptin), a once-daily tablet to treat Type 2 diabetes in adults. The medication is intended to be used with diet and exercise to control high blood sugar levels.

2 Aug 2009

Plenty of dairy foods in childhood may mean a longer life

Milk is an excellent source of calcium and the children who ate plenty of dairy foods such as milk and cheese appeared to be protected against stroke and other causes of death, even though dairy products often contain fats and cholesterol which fur up the arteries and high consumption of dairy products did not raise the heart disease risk.

28 Jul 2009

Acute stress improves working memory

Day after day of chronic stress will wear a person down physically and mentally. But new research suggests that the acute stress produced by a brief run-in with a stressful scenario acts on a key brain region controlling emotion and cognition, temporarily improving learning and memory.

28 Jul 2009

Nanodiamonds hold promise for wound-healing applications

Bacterial infection is a major health threat to patients with severe burns and other kinds of serious wounds such as traumatic bone fractures. Recent studies have identified an important new weapon for fighting infection and healing wounds: insulin.

27 Jul 2009

Effect of sunlight exposure on cognitive function among depressed and non-depressed participants

A lack of sunlight is associated with reduced cognitive function among depressed people. Researchers writing in BioMed Central's open access journal Environmental Health used weather data from NASA satellites to measure sunlight exposure across the United States and linked this information to the prevalence of cognitive impairment in depressed people.

27 Jul 2009

Intensive glucose control halves complications of longstanding type 1 diabetes

Near-normal control of glucose beginning as soon as possible after diagnosis would greatly improve the long-term prognosis of type 1 diabetes, concludes a study published in the July 27, 2009, issue of the Archives of Internal Medicine, which updates information about the clinical course of type 1 diabetes.

27 Jul 2009

Discovery of key event in prostate cancer progression

A study led by researchers at the Ohio State University Comprehensive Cancer Center and Dana-Farber Cancer Institute reveals how late-stage, hormone-independent prostate tumors gain the ability to grow without need of hormones.

24 Jul 2009

Short stressful events may improve working memory

Experiencing chronic stress day after day can produce wear and tear on the body physically and mentally, and can have a detrimental effect on learning and emotion. However, acute stress -- a short stressful incident -- may enhance learning and memory.

23 Jul 2009