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.

Breast cancer survival runs in the family

The chances of developing breast cancer are to some extent inherited, but important new findings suggest survival also runs in the family.

29 Jun 2007

Discovery of gene and mechanism essential to the embryonic development of the epididymis

Human sperm cells travel up to 6 meters in their transit from testes to penis, and most of that journey occurs in the epididymis, a tightly coiled tube that primes the cells for their ultimate task: fertilization.

28 Jun 2007

Sexual fantasies and anxiety related to sexual desire

Scientists of the Department of Personality, Evaluation and Psychological Treatment of the University of Granada have studied how some psychological variables such as erotophilia (positive attitude towards sexuality), sexual fantasies and anxiety are related to sexual desire in human beings.

28 Jun 2007

Calcium from food better than pills

The majority of women today are aware that calcium is essential in preventing osteoporosis, especially after the menopause.

27 Jun 2007

15,000 children and adolescents in the United States are diagnosed with type 1 diabetes annually

Approximately 15,000 children and adolescents in the United States are diagnosed with type 1 diabetes, and about 3,700 youth are diagnosed with type 2 diabetes annually, according to estimates from a major national study called SEARCH for Diabetes in Youth.

27 Jun 2007

Estrogen injections protect brain cells from age-related deterioration

The study suggests that age is a factor in estrogen treatment and sheds light on the intricate relationship between mind, age, and hormones. The study will be published in the online edition of Proceedings of the National Academy of Sciences during the week of June 25.

26 Jun 2007

Women need to start thinking about heart disease prevention before menopause

Studies in female monkeys helped raise important questions about hormone therapy that were addressed in a Women's Health Initiative study reported last week in the New England Journal of Medicine .

26 Jun 2007

Does air pollution have a bigger effect on the immune system of females than males?

Does air pollution have a bigger effect on the immune system of females than males? It did among mice exposed to ozone -- a major component in air pollution that is known to negatively affect lung function -- and then infected with pneumonia, as significantly more females died from the infection than males.

26 Jun 2007

Genes play unexpected role in their own activation

Investigators at St. Jude Children's Research Hospital have discovered how a single molecular "on switch" triggers gene activity that might cause effects ranging from learning and memory capabilities to glucose production in the liver.

23 Jun 2007

Mushrooms show promise for creation of new drugs

Mushrooms might serve as biofactories for the production of various beneficial human drugs, according to plant pathologists who have inserted new genes into mushrooms.

23 Jun 2007

Morning sickness may indicate lower risk of breast cancer

It may not seem so at the time, but women who suffer through morning sickness during their pregnancies actually may be fortunate.

23 Jun 2007

Review of the routine monitoring of growth in children of primary school age to identify growth-related conditions

No sound evidence supports weight monitoring to identify and treat obese children, according to a review of worldwide research published this month in the United Kingdom.

23 Jun 2007

Truth on postmenopausal hormone therapy and coronary disease

With each new publication of coronary artery disease (CAD) data from the Women's Health Initiative (WHI) study, the inevitable reaction is ,Why on earth did the WHI investigators claim in 2002-2004 that postmenopausal hormone therapy has deleterious effects on the risk for CAD, when, from the beginning, they were aware of the importance of the age factor in this clinical scenario".

23 Jun 2007

Key mechanism identified by which the body regulates iron metabolism

Scientists at the University of California, San Diego (UCSD) have determined a key mechanism by which the body regulates iron metabolism, a discovery that may provide new approaches for the treatment of anemia.

23 Jun 2007

Estrogen use lowered one risk factor for heart disease among some younger postmenopausal women

A follow-up study to the federally funded Women's Health Initiative should help allay one concern in a subset of women in their 50s who are considering taking estrogen to relieve hot flashes.

23 Jun 2007

Estrogen HRT can limit plaque accumulation in arteries

Estrogen can limit significantly the accumulation of plaque in the arteries of women in their 50s, according to a study published on Thursday in the New England Journal of Medicine, the Milwaukee Journal Sentinel reports (Newson, Milwaukee Journal Sentinel, 6/20).

22 Jun 2007

Autistic boys have high levels of growth hormones

Boys with autism and autism spectrum disorder had higher levels of hormones involved with growth in comparison to boys who do not have autism, reported researchers from the National Institutes of Health, the Centers for Disease Control and Prevention, the Cincinnati Children's Hospital and the University Of Cincinnati College Of Medicine.

22 Jun 2007