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.

Refined carb diet increases risk of common diseases

Eating foods the body quickly converts into blood glucose - such as highly processed breakfast cereals and most white breads - leads to a greater risk of diabetes, heart disease and some types of cancer.

9 Mar 2008

Risks of long-term hormone therapy continue to outweigh benefits

New results from the Women's Health Initiative (WHI) confirm that the health risks of long-term use of combination (estrogen plus progestin) hormone therapy in healthy, postmenopausal women persist even a few years after stopping the drugs and clearly outweigh the benefits.

6 Mar 2008

Prader-Willi syndrome - new genetic clues

A new mouse model for a genetic cause of obesity has been developed by scientists at the Stanford University School of Medicine and Lucile Packard Children's Hospital.

6 Mar 2008

Genetic mutations involved in IGF-I signaling pathway influence life span

Mutations in genes governing an important cell-signaling pathway influence human longevity, scientists at the Albert Einstein College of Medicine of Yeshiva University have found.

6 Mar 2008

Cancer risk slightly higher for women in discontinued hormone treatment trial

A follow up study of participants in the Women's Health Initiative (WHI) clinical trial led by a University of North Carolina at Chapel Hill researcher has found that women who were taking the combined hormone therapy of estrogen plus progestin may have an increased risk of cancer since the intervention was stopped, compared to participants in the trial's placebo group.

6 Mar 2008

Sam Newman has surgery for prostate cancer

Sam Newman the football personality has had surgery to remove a prostate cancer tumour and is now waiting to hear whether the cancer has spread from the prostate to other parts of his body.

5 Mar 2008

Research in diabetes surgery suggests origins of disease

Growing evidence shows that surgery may effectively cure Type 2 diabetes -- an approach that not only may change the way the disease is treated, but that introduces a new way of thinking about diabetes.

5 Mar 2008

Cancer risk from HRT remains long after treatment has stopped

The results of a new study have shown that the risk of cancer associated with Hormone Replacement Therapy (HRT) continues long after a woman stops taking it.

5 Mar 2008

Tamoxifen may help treat mania in patients with bipolar disorder

A small, three-week trial of tamoxifen, a drug typically used to treat breast cancer, indicates that it also may decrease symptoms of mania in patients with bipolar disorder, according to a report in the March issue of Archives of General Psychiatry, one of the JAMA/Archives journals.

4 Mar 2008

Bardet-Biedl syndrome provides clues on obesity, blood pressure

University of Iowa researchers have found a clue about how resistance to the hormone leptin might disrupt the brain signals that tell the body when to stop eating.

4 Mar 2008

Low testosterone levels linked to depression in older men

Older men with lower free testosterone levels in their blood appear to have higher prevalence of depression, according to a report in the March issue of Archives of General Psychiatry, one of the JAMA/Archives journals.

4 Mar 2008

Estradiol hormone protects against hearing loss

The "female sex hormone" estradiol is present in both men and women, and is generated from testosterone in men by the protein aromatase.

4 Mar 2008

Aromatherapy and pain relief?

One of the most comprehensive investigations done to date on aromatherapy failed to show any improvement in either immune status, wound healing or pain control among people exposed to two often-touted scents.

4 Mar 2008

Depression in older men linked to low testosterone

Australian researchers are suggesting that older men who have lower levels of the male sex hormone testosterone in their blood, may be more prone to depression.

4 Mar 2008

Diabetes is rapidly increasing globally, and Asian Indians have the highest prevalence

The incidence of type 2 diabetes is rising, especially in urbanized parts of the world where sedentary lifestyles and obesity abound.

1 Mar 2008

HRT appears to have no effect on risk and severity of rheumatoid arthritis

Although rheumatoid arthritis (RA) is more predominant in women, the reasons for this are unclear.

28 Feb 2008

Blocking a signaling protein kills prostate cancer cells

Researchers at Jefferson's Kimmel Cancer Center in Philadelphia have shown that they can effectively kill prostate cancer cells in both the laboratory and in experimental animal models by blocking a signaling protein that is key to the cancer's growth.

28 Feb 2008

Stress and fear affects cancer's recurrence

After the surgical removal of a malignant tumor, the chance that cancer will re-appear in a different location of the body remains high.

28 Feb 2008

Restricting insulin doses increases mortality risk in women with type 1 diabetes

A new study led by researchers at the Joslin Diabetes Center has found that women with type 1 diabetes who reported taking less insulin than prescribed had a three-fold increased risk of death and higher rates of disease complications than those who did not skip needed insulin shots.

28 Feb 2008

Hormones produced by the heart eliminate pancreatic cancer in mice

Hormones produced by the heart eliminated human pancreatic cancer in more than three-quarters of the mice treated with the hormones and eliminated human breast cancer in two-thirds of the mice, according to researcher David Vesely, a doctor at the James A. Haley Veterans Hospital in Tampa and a professor at the University of South Florida (USF).

27 Feb 2008