Estradiol News and Research

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Estradiol is a sex hormone. Mislabelled the "female" hormone, it is also present in males; it represents the major estrogen in humans. Estradiol has not only a critical impact on reproductive and sexual functioning, but also affects other organs including the bones.

Altered sex hormone levels, higher body temp affects sleep quality in postmenopausal women

In an examination of potential relationships between objective sleep measures, nocturnal sex hormone levels, and the nocturnal course of body temperature of older postmenopausal women, a study published in the December 1, 2007 issue of the journal SLEEP finds that altered levels of both sex hormones and gonadotropins may contribute to sleep disturbance in older postmenopausal women and confirm the results of previous studies indicating that higher body temperature is associated with poorer sleep quality.

2 Dec 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

Blood levels of progesterone may impact blood vessel function

Blood levels of progesterone, a major female sex hormone, may play an important role in modifying vascular function in postmenopausal women, according to a new study accepted for publication in the Journal of Clinical Endocrinology & Metabolism (JCEM).

16 Oct 2007

Women on low-fat diets reduce their risk of ovarian cancer

The American Cancer Society, estimates that as many as 22,400 women in the United States will be diagnosed with ovarian cancer this year and of that number around 15,200 will die from the disease.

10 Oct 2007

Link between woman's hips and daughter's risk of breast cancer

In a study of the maternity records of more than 6,000 women, David J.P. Barker, M.D., Ph.D., and Kent Thornburg, Ph.D., of Oregon Health & Science University discovered a strong correlation between the size and shape of a woman's hips and her daughter's risk of breast cancer.

9 Oct 2007

Sex hormones play a significant role in the development of diabetic kidney disease

Women have a "female advantage" when it comes to chronic kidney disease. When compared to men, they have fewer and less severe episodes of this disorder throughout most of their lives.

11 Aug 2007

Sex and gender in cardiovascular-renal physiology and pathophysiology

Gender influences the prevalence and progression rate of many renal diseases, such as polycystic kidney disease (PKD).

9 Aug 2007

Voluntary exercise induces sex-specific physiological cardiac remodeling

While cardiovascular disease occurs in both men and women, it does not affect them in the same way.

9 Aug 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

In some species estrogen plays a key role in aggressiveness

Imagine if a naturally occurring chemical in your body could help make you feel more calm and relaxed ? but it would only work during the long days of summer.

22 May 2007

FDA soon to approve contraceptive pill Lybrel that also stops periods

The Food and Drug Administration (FDA) in the United States is about to approve a birth control pill with a double whammy.

21 May 2007

Health effects of isoflavones and breast cancer

Are soy products healthy additions to a person's diet, safe alternatives to hormone-replacement therapy or cancer-causing agents" The answer, according to University of Illinois food science and human nutrition professor William Helferich, is, "It depends."

17 May 2007

Leptin shown to significantly influence breast cancer development

Being obese increases the risk of breast cancer in post-menopausal women, shortens the time between return of the disease and lowers overall survival rates.

30 Apr 2007

Underlying causes of hot flashes

Many women in the menopausal transition experience hot flashes: unpredictable, sometimes disruptive, periods of intense heat in the upper torso, neck and face.

25 Apr 2007

Low serum testosterone levels independently associated with fall risk in elderly men

Prolonged hypogonadism may result in erectile dysfunction, decreased libido, anemia, sarcopenia, memory loss, bone mineral loss, and the metabolic syndrome.

15 Apr 2007

Adding estradiol to a polymer-free rapamycin-eluting stent is not associated with any measurable benefit

Patients admitted to the hospital with acute coronary syndromes (ACS) are often treated with a catheter-based procedure known as percutaneous coronary intervention (PCI), during which a stent is inserted into an occluded or narrowed coronary artery to restore blood flow to and from the heart.

2 Apr 2007