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.

A central thermogenic-like mechanism in feeding regulation

During periods of fasting, brain cells responsible for stimulating the appetite make sure that you stay hungry.

2 Jan 2007

Stem cells grown into brain cells on a new 3D scaffold of tiny protein fragments

An MIT engineer and Italian colleagues will report the invention-which may one day replace the ubiquitous Petri dish for growing cells-in PLoS ONE.

2 Jan 2007

New oral contraceptive not such a bitter pill

A company in the United States has come up with the first chewable birth control tablet.

11 Dec 2006

Case studies examine role of hormones, psychology in false pregnancy

Recent case studies of pseudocyesis, or false pregnancy, as well as studies of similar conditions in animals, suggest that hormones and psychology might contribute to the condition, the New York Times reports.

5 Dec 2006

Mifepristone offers hope for breast cancer victims

A team of scientists have discovered some unexpected benefits with the abortion pill RU486 (Mifepristone).

4 Dec 2006

Why COX-2 inhibitors such as Vioxx can cause heart attacks and strokes

COX-2 inhibitors are primarily used to treat pain in conditions such as arthritis. They work by blocking the COX-2 enzyme, which is expressed at sites of inflammation and underlies the production of hormones called prostaglandins which swell the joints and cause the feeling of pain.

2 Dec 2006

A good reason for women to be overweight?

If new research is to be believed, overweight and obese women have a lower risk of breast cancer prior to menopause.

29 Nov 2006

A male contraceptive pill - but will they take it?

British scientists say a male contraceptive pill could be on the market within five years.

28 Nov 2006

HRT shows promise in helping visual memory of postmenopausal women

Many women experience declines in their memory during and after menopause, a change thought to be due, in part, to the rapid hormonal changes they weather during that time.

20 Nov 2006

Risk to childhood cancer survivors for late-occurring strokes

Children who are successfully treated for brain tumors or leukemia are more likely to have strokes later in life, according to new research from UT Southwestern Medical Center.

20 Nov 2006

Testosterone replacement therapy appears to be safe - has little effect on the prostate gland

Preliminary research suggests that testosterone replacement therapy for men with low testosterone levels appears to have little effect on the prostate gland, contrary to some reports that this therapy may be harmful, according to a study in the November 15 issue of JAMA: The Journal of the American Medical Association.

14 Nov 2006

DNA analysis could boost accuracy of thyroid tests

By fine-tuning "fine-needle aspiration" biopsies with a super-fast genetic microarray technology, a team of surgeons from NewYork-Presbyterian Hospital/Weill Cornell Medical Center in New York City says they can greatly enhance the accuracy of these tests.

14 Nov 2006

Massage may help tots sleep better

New research by a team at the University of Warwick says that massage may help infants aged under six months sleep better, cry less and be less stressed.

8 Nov 2006

Scientists discover how androgen plays a role in the development of prostate cancer

Scientists have discovered for the first time a specific biochemical pathway by which the sex hormone, androgen, increases levels of harmful chemicals called reactive oxygen species (ROS) in the prostate gland that play a role in the development of prostate cancer.

8 Nov 2006

New research could affect future treatment options for prostate cancer

Two new studies on the treatment of prostate cancer could well affect future treatment options for patients.

8 Nov 2006

Anabolic steroids and antisocial behaviour go together

Swedish researchers have found that there could well be a link between the use of anabolic steroids and antisocial behaviour.

7 Nov 2006

HPV test is a better long-term predictor of cervical cell abnormalities than pap smear

The best initial cervical cancer screening tool for younger women is still the traditional Pap smear. However, a large Danish study has found that for older women (age 40 and older), a test for human papillomavirus (HPV) is a much more effective way to screen for potential cancer.

1 Nov 2006

Mini artificial liver grown from stem cells

Scientists in Britain have grown the first artificial liver from stem cells, which is the first step in a process which within 10 years could see livers being grown in a laboratory for human transplants.

1 Nov 2006

Breast cancer patients may benefit from new accelerated treatment

Women with early-stage breast cancer may benefit from a new, accelerated approach to radiation therapy making their course of treatment shorter, according to a new study released today in the International Journal for Radiation Oncology-Biology-Physics, the official journal of ASTRO.

31 Oct 2006

Sad and lonely at bedtime - stress hormone up at dawn

According to a new study older people who go to bed lonely, sad or overwhelmed wake up the following morning with elevated levels of cortisol, the stress hormone linked to depression, obesity and other health problems.

31 Oct 2006