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.

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

OHSU Cancer Institute research gives hope for chemo holidays for men with advanced prostate cancer

Oregon Health & Science University Cancer Institute researchers, in a first-of-its-kind study, have found that even men with advanced prostate cancer can take a much-needed safe break, or holiday, from chemotherapy.

27 Feb 2008

Leptin which suppresses hunger could be the way to beat obesity

Australian scientists say a hormone that suppresses hunger may be far more powerful when it comes to weight loss than first thought.

26 Feb 2008

Hormone therapy increases frequency of abnormal mammograms, breast biopsies

Combined hormone therapy appears to increase the risk that women will have abnormal mammograms and breast biopsies, and it may decrease the effectiveness of both methods for detecting breast cancer, according to a report in the Feb. 25 issue of Archives of Internal Medicine, one of the JAMA/Archives journals.

26 Feb 2008

Women with hgher levels of DHEAS have better cognitive function

Women with naturally higher levels of the hormone precursor DHEAS were found to have better cognitive function than women with lower levels, according to a new study appearing in the March issue of the Journal of Clinical Endocrinology & Metabolism (JCEM).

22 Feb 2008

New clinician's guide to prevention and treatment of osteoporosis

The National Osteoporosis Foundation has released its new "Clinician's Guide to Prevention and Treatment of Osteoporosis" which represents a new era for healthcare providers in the evaluation and treatment of people with low bone mass or osteoporosis.

22 Feb 2008

Insulin administered intranasally may lower food intake in men, improve memory in women

Insulin administered intranasally, acutely decreases food intake in men but not women and in contrast, the compound improves memory function in women but not men according to a new study accepted for publication in the Journal of Clinical Endocrinology & Metabolism (JCEM).

22 Feb 2008

New proof-of-principle findings that thymic involution can be reversed in humans

Scientists at the Gladstone Institute of Virology and Immunology (GIVI) and the University of California, San Francisco (UCSF) have found that therapy can be used to stimulate the production of vital immune cells, called "T- cells," in adults with HIV infection.

21 Feb 2008