Testosterone News and Research

Latest Testosterone News and Research

People whose index finger is shorter than their ring finger are at higher risk of osteoarthritis

A study of more than 2,000 people, published in the journal Arthritis and Rheumatism, suggests that people whose index finger is shorter than their ring finger are up to twice as likely to suffer from the condition, which is the most common form of arthritis.

7 Jan 2008

Benefits of short-term hormonal therapy for men receiving radiation therapy for prostate cancer far outweigh the risks

Researchers report that just four months of hormonal therapy before and with standard external beam radiation therapy slowed cancer growth by as much as eight years - especially the development of bone metastases - and increased survival in older men with potentially aggressive prostate cancer.

4 Jan 2008

The risk of osteoarthritis and index to ring finger length ratio

Index to ring finger length ratio (2D:4D) is a trait known for its sexual differences.

3 Jan 2008

Testosterone therapy and mental function in healthy older men

When we think about the powers of testosterone, we usually do not consider mental processes.

3 Jan 2008

Testosterone supplementation in older men

Older men with low testosterone levels who received testosterone supplementation increased lean body mass and decreased body fat, but were no stronger and had no improvement in mobility or cognition compared with men who did not use the supplement, according to a study in the January 2 issue of JAMA.

2 Jan 2008

Effectiveness and risks of six bisphosphonates for osteoporosis

Many medications reduce the risk of bone fractures in people with osteoporosis, but the most commonly used drugs - bisphosphonates - have not been proven more effective than alternatives, according to a new report funded by the Agency for Healthcare Research and Quality (AHRQ), part of the U.S. Department of Health and Human Services.

18 Dec 2007

Scientists develop new drug to outflank cancer resistance

A new drug has shown promising results against breast and prostate cancer cells and tumours that are resistant to conventional hormone-based treatments, according to research published in the British Journal of Cancer.

12 Dec 2007

Research findings link weight gain and diabetes to a variety of cancers

During this holiday season with its tempting bounty of edible delights, new research calls attention to the role of the expanding American waistline in health and medicine.

10 Dec 2007

Antibacterial chemical in bath soaps disrupts hormone activities

A new UC Davis study shows that a common antibacterial chemical added to bath soaps can alter hormonal activity in rats and in human cells in the laboratory - and does so by a previously unreported mechanism.

10 Dec 2007

Low doses of arsenic disrupt activity of development hormone

A team of Dartmouth Medical School (DMS) researchers has determined that low doses of arsenic disrupt the activity of a hormone critical in development. The finding is further evidence that arsenic at low doses (at levels found in U.S. drinking water in some areas) can be harmful.

15 Nov 2007

Walking prevents bone loss caused from prostate cancer treatment

Exercise may reduce, and even reverse, bone loss caused by hormone and radiation therapies used in the treatment of localized prostate cancer, thereby decreasing the potential risk of bone fractures and improving quality of life for these men, according to a study presented on October 28, 2007, at the American Society for Therapeutic Radiology and Oncology's 49th Annual Meeting in Los Angeles.

28 Oct 2007

Carbamazepine and valproate may cause sexual disorders

The use of antiepileptic drugs (AEDs) can lead to decreased fertility and increased incidence of reproductive endocrine disorders in both men and women.

24 Oct 2007

Causes of male infertility

Two reports from physician-scientists at NewYork-Presbyterian Hospital/Weill Cornell Medical Center shed new light on male infertility.

18 Oct 2007

Sex hormone signature indicates gender rather than just chromosomes

Help with assigning gender could one day be at hand for intersex individuals whose genital phenotypes and sex chromosomes don't match, thanks to the discovery of a stable sex hormone signature in our cells.

18 Oct 2007

Low levels of testosterone may increase risk of death in older men

Older men with low levels of testosterone may have an increased long-term risk of death compared to men with normal testosterone, according to a new study accepted for publication in the Journal of Clinical Endocrinology & Metabolism (JCEM) .

16 Oct 2007

New research may show why some prostate cancer recurs after treatment

Cancer researchers have long worked to understand why some prostate cancers recur after the use of therapies designed to stop the production of testosterone and other androgens that fuel cancer cell growth.

12 Oct 2007

Lower testosterone levels in married men

A fascinating new study is the first outside of North America to observe lower testosterone levels among married men.

10 Oct 2007

Hormones through Life conference

The Endocrine Society will present a panel of leading physicians and researchers for a half-day seminar/workshop titled "Hormones through Life."

8 Oct 2007

Prostate cancer treatment may encourage spread of cancer cells

According to a new study by researchers in the U.S. the popular prostate cancer treatment, androgen deprivation therapy, may in fact encourage the spread of cancer cells throughout the body.

3 Oct 2007

Androgen deprivation therapy for prostate cancer may encourage spread of disease

A popular prostate cancer treatment called androgen deprivation therapy may encourage prostate cancer cells to produce a protein that makes them more likely to spread throughout the body, a new study by Johns Hopkins researchers suggests.

1 Oct 2007