Clue to genetic cause of fatal birth defect Oct 10, 2008
The UIC researchers had previously discovered this novel enzyme and were focused on its role in converting the weak hormone estrogen into the more potent estradiol in the ovaries and its possible role in breast cancer. Recent research has shown that the HSD17b7 enzyme has an additional role in the last steps of cholesterol biosynthesis. (EurekAlert!)
Many Diabetic Young Men Have Low Testosterone Oct 10, 2008
Consistent with previous data, men with low testosterone levels also had low levels of luteinizing hormone and follicle-stimulating hormone levels, indicating that they met diagnostic criteria for a condition called "hypogonadotrophic hypogonadism," in which the testes are unable to function properly. Low testosterone levels may impair sexual function, reduce sex drive, and lead to erectile dysfunction, the investigators point out. (Newsmax)
Speaking up - women's voices rise in tune with fertility Oct 8, 2008
Writing in the Royal Society journal Biology Letters, Bryant and his colleague Martie Haselton describe how they recorded 69 women with a mean age of 20 speaking simple sentences and making pure vowel sounds at low and high points in their fertile cycle, which were identified using hormone tests. The researchers found that two days before ovulation, the pitch of women's voices rose on average 15. (guardian.co.uk)
The eight libido killers Oct 8, 2008
Stress increases the level of a hormone called cortisol and decreases testosterone and estrogen hormones, which directly influence your sex drive. Figures reveal that approximately 75 per cent of stressed people complain about the loss of sex drive. (India Times, India)
Premature ejaculation may be a genetic problem Oct 8, 2008
A study of nearly 200 Dutch men found those who climaxed too soon during intercourse had a version of a gene that controls the hormone serotonin ... Dr Waldinger says this low activity of the hormone means nerve signals do not transfer in the normal way in these men. (BBC News -- Health)
Meat 'ups prostate cancer risk' Oct 8, 2008
Hormone may stimulate development of cancer cells ... Such a diet raises levels of a hormone called Insulin-like Growth Factor-1 (IGF-1) which promotes cell growth. (BBC News -- Health)
Rocket fuel found in milk in California Oct 8, 2008
Low levels of thyroid hormones can lead to birth defects, and there's evidence that we are talking very low levels of perchlorate. " An Arizona study showed that women who drank Colorado River water with perchlorate levels of 1 to 2 parts per billion had infants with different thyroid hormone levels from infants from mothers who drank uncontaminated water, Walker said. Lyle of the state Food and Agriculture Department said that "because (the perchlorate data) is inconclusive, there is no basis... (Yahoo News -- Food Safety)
Obesity 'affects prostate risk' Oct 8, 2008
----------------- ----------------- RELATED BBC SITES. Last Updated: Sunday, 19 August 2007, 23:20 GMT 00:20 UK. (Yahoo News -- Obesity)
Wendy Richard reveals why she left EastEnders Oct 7, 2008
"If they had been in the constant pain that I have been in, they wouldn't look so happy all the time either. I'd like it known that I am entirely self-funding. My treatment hasn't cost the National Health any money at all. So to all those people who'll say, 'Oh well, we know she smokes, serves her right', well, my cancer was caused by a hormone imbalance. It had nothing to do with smoking, although I do agree smoking probably didn't help.". Related Content. (Telegraph.co.uk)
Bavarian Nordic Announces Positive Mature Phase II Results From Newly Acquired Prostate Cancer Vaccine Oct 7, 2008
The only mechanism that has been used so far in disseminated disease with some effect is hormone treatment. Hormone therapy slows the tumor growth by stopping or blocking testosterone from entering the cancer cells ... Thus, although initially effective, hormone therapy becomes ineffective after a period of time. (PR Newswire)
Natural Supplements for the Menopau... Oct 7, 2008
Agnus Castus has been shown in many studies to have a balancing effect on the female sex hormones by regulating the action of the pituitary gland, which is responsible for regulating sex hormone production. Agnus castus has been shown to be effective in situations where the luteal phase is inhibited by acting on the pituitary gland to regulate Lutenising hormone (LH). (Suite101.com)
Food For Thought: Regulating Energy Supply To The Brain During Fasting Oct 7, 2008
CRTC2 is activated by glucagon, a hormone whose levels go up when we stop eating. FOXO1, on the other hand, is activated when levels of the food-stimulated hormone insulin drop below a certain threshold. (Science Daily)
Were Clemens' 'implausible' comments perjury? Oct 7, 2008
The apparent falsehoods, the investigators wrote, ranged from Clemens' claim that he had never used or even discussed using human growth hormone, to his assertions that team trainers often injected him with vitamin B-12 during his 24-year career ... Relying on McNamee, Mitchell said Clemens had used growth hormone and steroids when he played for the Toronto Blue Jays and Yankees ... Pettitte also said Clemens had confided in him about his use of growth hormone. (Yahoo News -- Drugs in Sports)
Clemens: Friend Andy Pettitte 'misheard' steroid talk Oct 7, 2008
McNamee -- who served as Clemens' trainer until 2007 -- countered that he injected Clemens with only testosterone, the steroid Winstrol or human growth hormone ... Pettitte previously acknowledged using human growth hormone in 2002 ... McNamee's attorneys last week, however, showed reporters photos of needles and gauze that McNamee said were used to inject with steroids and human growth hormone. (Yahoo News -- Drugs in Sports)
YOU Docs: What you should know about soy Oct 7, 2008
And because soy contains more than 50 hormonelike compounds called isoflavones, some naysayers think it could even be dangerous, fueling certain cancers ... Some researchers even suggest that all menopausal women skip soy, including "natural" hormone products containing soy phytoestrogens, because these substances might raise your breast cancer risk. (Athens Banner-Herald)
Counterfeit Drug Strategy Proposed Oct 7, 2008
pharmacist discovered that bottles of Neupogen, a growth hormone prescribed for AIDS and cancer patients, were filled only with saltwater. The FDA report on measures to combat drug counterfeiting was compiled in consultation with drug manufacturers, wholesalers, retailers and pharmacy groups. (Yahoo News -- Pharmaceutical Industry)
Health view: Breast cancer awareness month Oct 7, 2008
It is important to note that both oral contraceptives and hormone replacement therapy contain estrogen. For more information on breast cancer, visit the Centers for Disease Control and Prevention website www. (Danvers Herald, MA)
Buying a face cream? Grab a glossary Oct 7, 2008
But Rittie said she had doubts about cosmetics that use terms like stem cells or growth hormones to suggest that the products reverse aging by altering the structure of the skin ... Rittie said that the same level of published scientific evidence did not exist for cosmetics that invoke stem cells or growth hormone, which she said is generally too big a protein to penetrate the skin ... Moreover, such treatments might not be beneficial mouse studies have shown that increased growth hormone... (Atlanta Journal-Constitution -- Health)
Campaign Myth: Prevention as Cure-All Oct 7, 2008
Recent experiences with hormone replacement (breast cancer) and Vioxx (heart attacks) are potent reminders that our best new treatments may harbor unpleasant surprises. For those who are ill, the potential benefits typically overwhelm the potential harms. (Atlanta Journal-Constitution -- Health)
Jab or pill vaccine for breast cancer 'on the horizon' says ... Oct 7, 2008
She said that there were some interesting hormones that could be studied, such as prolactin, which is produced in late pregnancy to prepare the breast for lactation ... Therefore, the right hormones could potentially have a similar effect ... We should be looking at hormone production during late pregnancy and lactation,' she added. (Daily Mail)
Obesity, Insulin Level Impact Prostate Cancer Survival Oct 7, 2008
Heavy men with high output of the hormone had quadruple the death risk, study found ... Experts have long known that androgens, or male hormones, play a critical role in spurring prostate cancer ... The insulin hormone may be latching onto insulin receptors located on prostate cancer cells, he speculated. (MEDLINEplus)
Low hormone makes men antisocial Oct 6, 2008
LONDON: Low level of stress hormone may trigger antisocial behaviour in male adolescents, a new study in Britain shows. The stress hormone, called cortisol, usually increases when people undergo a stressful experience, such as public speaking, sitting for an exam, or having surgery ... The samples were collected from them in a non-stressful environment to measure levels of the hormone under resting conditions. (India Times, India)
Binge drinking raises cancer risk Oct 6, 2008
The researchers said higher alcohol intake may increase levels of oestrogen - a hormone associated with the development of breast cancer. Dr Lina Morch a researcher in the Centre for Alcohol Research in Denmark, who led the study, said: "What our study suggests is that the total amount of alcohol consumed has a detrimental effect on the risk of breast cancer, but also the drinking pattern seems to have an impact on the risk. "When more drinks are consumed within a limited time frame the... (Yahoo News -- Alcohol and Alcoholism)
Prostate Cancer Drugs May Pose Danger Oct 6, 2008
The disease is usually treated with surgery, radiation and -- in men whose cancer has spread -- drugs that block the hormone testosterone. These drugs, called known as gonadotropin-releasing hormone (GnRH) agonists, have clear benefits for men whose cancer has spread ... "But I don't think the data raise to the level yet where men should not take hormone therapy.". (Yahoo News -- Prostate Cancer)
Prostate Cancer Test 'Bounce' No Worry Oct 6, 2008
Patients typically become extremely anxious and may even have unnecessary chemotherapy or hormone treatment if they have a temporary rise in PSA.. Robert J. Cole, MD, a prostate cancer specialist at the Cancer Center in Morristown, N.J., who was not involved with the study, agrees. (Yahoo News -- Prostate Cancer)
AP Enterprise: Drugs affect more drinking water Oct 6, 2008
Officials in one of those communities, Colorado Springs, say they detected five pharmaceuticals in all, including a tranquilizer and a hormone. "This is obviously an emerging issue and after the AP stories came out we felt it was the responsible thing for us to do, as a utility, to find out where we stand. We believe that at these levels, based on current science, that the water is completely safe for our customers," said Colorado Springs spokesman Steve Berry. (Yahoo News -- Pharmaceutical Industry News)
Breast Cancer Cells Recycle To Escape Death By Hormonal Therapy Oct 6, 2008
About 70 percent of breast cancer cells have receptors for the hormone estrogen, which acts as a nutrient and stimulates their growth. Patients typically get an antiestrogen such as tamoxifen for five years to try to starve them to death, says Dr. Patricia V. Schoenlein, cancer researcher in the Medical College of Georgia Schools of Medicine and Graduate Studies. (Science Daily)
Bones offer new hope for diabetes Oct 6, 2008
" However, the team found a novel function of the molecule. Usually, an increase in insulin levels in the blood is accompanied by a decrease in insulin sensitivity. But the authors found osteocalcin boosted both the secretion and the sensitivity to insulin. In mice, increasing the activity of the molecule stimulated pancreatic cells to produce more insulin and at the same time directed fat cells to release a hormone called adiponectin - which improves insulin sensitivity. It also stimulated the... (Yahoo News -- Diabetes)
H. Pylori bacteria may help prevent some esophageal cancers Oct 6, 2008
"It may also work by decreasing the production of the hormone ghrelin, which is secreted from the stomach to stimulate appetite. A reduction in the level of ghrelin may lead to lower rates of obesity, an important risk factor for adenocarcinoma.". H. pylori, estimated to be present in about half the world's population, is a known cause of stomach cancer and ulcers. (EurekAlert!)
Vitamin C found to lessen efficacy of anti-cancer drugs Oct 5, 2008
Researchers tested blood samples from 640 colon cancer patients and 857 healthy controls, looking for variations in a gene called adiponectin - a hormone secreted by fat cells that is reduced in obese people. Those with a particular form of the adiponectin gene had a 27 per cent decreased risk of developing colon cancer compared with those carrying all other versions of the gene. (The Australian)
Your health: Itch and rash most likely due to preservative or fragrance in self-tanners (2) Oct 5, 2008
Her gynecologist is reluctant to prescribe hormones for her, but she recently saw a chiropractor who was enthusiastic about bio-hormones ... How can she get these bio-identical hormones ... A: Although plant-based estrogen and progesterone resemble human hormones, the American College of Obstetricians and Gynecologists says there is no evidence that they are safer than drugs like Premarin and Prempro. (Sioux Falls Tri-State Neighbor, SD)
Organic idea not taking off as planned Oct 5, 2008
Dolf Ivener of Sioux City is one of the few farmers in Woodbury County who raise cattle or crops organically, without fertilizer, pesticide or hormone inputs. He's looking to get up to 10 head of cattle and then sell them for meat once they reach 800 pounds. (Sioux City Journal, IO)
Rocket fuel found in milk in California Oct 5, 2008
Low levels of thyroid hormones can lead to birth defects, and there's evidence that we are talking very low levels of perchlorate. " An Arizona study showed that women who drank Colorado River water with perchlorate levels of 1 to 2 parts per billion had infants with different thyroid hormone levels from infants from mothers who drank uncontaminated water, Walker said. Lyle of the state Food and Agriculture Department said that "because (the perchlorate data) is inconclusive, there is no basis... (Yahoo News -- Food Safety)
Antisocial Behavior: Blame Low Stress Hormones? Oct 5, 2008
Antisocial Behavior May Be Caused By Low Stress Hormone Levels ... Antisocial Behavior May Be Caused By Low Stress Hormone Levels ... 5, 2008) A link between reduced levels of the 'stress hormone' cortisol and antisocial behaviour in male adolescents has been discovered by a research team at the University of Cambridge. (Science Daily)
Tech investment allows Shamrock to grow Oct 5, 2008
Kelly said the distinctive containers, along with the company's refusal to use a synthetic growth hormone called recombinant bovine somatotropin, or RBST, have helped build the Shamrock brand. It also is relying on Roxie, who was outfitted with an iPod and skateboard to promote Shamrockers. (AZCentral -- Business)
Cortisol-Behavior Disorder Connection Oct 4, 2008
Study: Stress May Not Raise Levels Of Stress Hormone As Much In Male Teens With Conduct Disorder ... The researchers measured levels of the stress hormone cortisol in the teens' saliva samples, and they monitored the teens' heart rates during the stress-inducing experiments. (CBS News)
Antisocial behaviour hormone link Oct 4, 2008
Low levels of the stress hormone cortisol have been linked to antisocial behaviour in adolescent boys ... Samples of saliva were collected over several days from the subjects in a non-stressful environment to measure levels of the hormone under resting conditions ... But there was no proof that hormone levels - or any other physiological marker - actually caused the bad behaviour. (BBC News -- Health)
Anabolic Steroids Provide A Competitive Edge In Power Lifting Years After Doping Has Ended Oct 4, 2008
3, 2008) Anabolic steroids are synthetic hormones derived from the human male hormone testosterone. The use of steroids has been suspected in professional baseball and other sports where building muscle strength, rather than endurance, is paramount. (Science Daily)
Women face many natural obstacles to sleep - Nurse's Notes Oct 4, 2008
The changing hormones that occur during menstrual cycles, pregnancy and menopause have an effect on sleep ... This period is associated with significant hormone fluctuations. (Missoulian, MT)
Why women worry, and what to do Oct 4, 2008
"Early research suggests that men and are wired differently," she explains, but, "the other thing that probably accounts for those numbers might be hormones. "The jury's still out definitively," she says, "but some of the reproductive hormones, such as progesterone and estrogen, have been implicated in anxiety. " The other hormone that gets a bad rap when it comes to causing anxiety is from your thyroid gland. So if your thyroid is off, which occurs in more women than men, that could lead to... (CNN -- Health)
Newly identified cells make fat Oct 4, 2008
Birsoy's technique uses another animal strain called the leptin-luciferase mouse, in which the visibly detectable marker luciferase is expressed under the control of the promoter of the gene that produces the hormone leptin. In this mouse strain the luciferase marker gene only switches on in mature fat cells, and provides a non-invasive way of watching immature fat cell precursors develop into mature fat cells in a living animal over time. (EurekAlert!)
Overeating can short-circuit your brain Oct 3, 2008
And when it was active, the body ignored signals from leptin, a hormone that normally helps regulate appetite, and insulin, which helps convert food into energy. Stimulating IKKbeta/NK-kappaB made the mice eat more, while suppressing it made them eat less. (MSNBC -- Health)
Study links birth size and breast cancer Oct 3, 2008
Some research has linked hormones such as estrogen and human growth hormone with cancer. The researchers noted age of puberty and adult height are also associated with breast cancer risk, and growth as a fetus can predict a girl's growth, so there could be a link there. (MSNBC -- Health)
Wake me upwhen it's over! Oct 3, 2008
Physical proximity to other people can stimulate the feel-good hormone oxytocin and lift your spirits. Try to have lunch with someone at least once a week, Hall says. (MSNBC -- Health)
Binge drinking raises cancer risk Oct 3, 2008
The researchers said higher alcohol intake may increase levels of oestrogen - a hormone associated with the development of breast cancer. Dr Lina Morch a researcher in the Centre for Alcohol Research in Denmark, who led the study, said: "What our study suggests is that the total amount of alcohol consumed has a detrimental effect on the risk of breast cancer, but also the drinking pattern seems to have an impact on the risk. "When more drinks are consumed within a limited time frame the... (Yahoo News -- Alcohol and Alcoholism)
Plastics in Our Diet: The Need for BPA Regulation Oct 3, 2008
Studies have surfaced in recent months that certain plastic products we use every day could be interfering with our hormone systems ... Bisphenol-A is a demonstrated endocrine disruptor: it interferes with the hormone systems of animals, including humans. (Scientific American)
Breastfeeding After Surrogacy Oct 3, 2008
Metoclopramide - primarily an anti-sickness drug which has the side-effect of activating the pro-lactin hormone ... This will release the hormone, oxytocin, which is the love hormone ... Essentially, it is the hormone of life. (Suite101.com)
Reborn Baby Dolls Increase in Popul... Oct 3, 2008
Professor Persuad says, "A mother, holding a newborn baby, has a hormone release called oxytocin." He shares how this strong hormone causes "overwhelming feelings of positivity" and wonders whether some of these women are recreating the positive experiences with these substitute babies. Regardless of ones opinion on the reason, or health ,of collecting these fake baby reborn dolls, the craftsmanship and artistry is undeniable. (Suite101.com)
Foreclosures Worsen Spread of West Nile Oct 3, 2008
Hormone therapy may make postmenopausal women more passionate. Most Popular Stories. (WebMD)
Prostate Cancer Drugs May Pose Danger Oct 3, 2008
The disease is usually treated with surgery, radiation and -- in men whose cancer has spread -- drugs that block the hormone testosterone. These drugs, called known as gonadotropin-releasing hormone (GnRH) agonists, have clear benefits for men whose cancer has spread ... "But I don't think the data raise to the level yet where men should not take hormone therapy.". (Yahoo News -- Prostate Cancer)
Prostate Cancer Test 'Bounce' No Worry Oct 3, 2008
Patients typically become extremely anxious and may even have unnecessary chemotherapy or hormone treatment if they have a temporary rise in PSA.. Robert J. Cole, MD, a prostate cancer specialist at the Cancer Center in Morristown, N.J., who was not involved with the study, agrees. (Yahoo News -- Prostate Cancer)
AP Enterprise: Drugs affect more drinking water Oct 3, 2008
Officials in one of those communities, Colorado Springs, say they detected five pharmaceuticals in all, including a tranquilizer and a hormone. "This is obviously an emerging issue and after the AP stories came out we felt it was the responsible thing for us to do, as a utility, to find out where we stand. We believe that at these levels, based on current science, that the water is completely safe for our customers," said Colorado Springs spokesman Steve Berry. (Yahoo News -- Pharmaceutical Industry News)
President Bush Presents 2007 National Medals of Science and Technology and Innovation Oct 3, 2008
The 2007 National Medal of Science to Bert W. O'Malley for his pioneering work on the molecular mechanisms of steroid hormone action and hormone receptors and coactivators, which has had a profound impact on our knowledge of steroid hormones in normal development, and in diseases, including cancer. (The medal is presented. (White House News Releases)
Changes In Sex Steroids Associated With Menopause Oct 3, 2008
2, 2008) A study in the Oct. 1 issue of the journal Sleep shows that the increased rate of follicle stimulating hormone (FSH) change that occurs during menopause is associated with increased objective sleep duration but poor subjective sleep quality ... "We found that it was not the level of the FSH that was predictive of sleep, bout how quickly these menopause transition changes - FSH changes - occurred when hormones were measured over a seven-year period," said principal investigator MaryFran... (Science Daily)
MRI Spots Early Breast Cancer In Mice Oct 3, 2008
(June 10, 1999) Using hormone replacement therapy during menopause increases a woman's risk for developing some types of breast cancer that occur rarely, but not the more commonly occurring ductal carcinoma that. (Oct. (Science Daily)
Getting Help For Depression And Anxiety Has Significant Long-term Benefits Oct 3, 2008
The study measured the stress hormone. . (Science Daily)
Were Clemens' 'implausible' comments perjury? Oct 3, 2008
The apparent falsehoods, the investigators wrote, ranged from Clemens' claim that he had never used or even discussed using human growth hormone, to his assertions that team trainers often injected him with vitamin B-12 during his 24-year career ... Relying on McNamee, Mitchell said Clemens had used growth hormone and steroids when he played for the Toronto Blue Jays and Yankees ... Pettitte also said Clemens had confided in him about his use of growth hormone. (Yahoo News -- Drugs in Sports)
Clemens: Friend Andy Pettitte 'misheard' steroid talk Oct 3, 2008
McNamee -- who served as Clemens' trainer until 2007 -- countered that he injected Clemens with only testosterone, the steroid Winstrol or human growth hormone ... Pettitte previously acknowledged using human growth hormone in 2002 ... McNamee's attorneys last week, however, showed reporters photos of needles and gauze that McNamee said were used to inject with steroids and human growth hormone. (Yahoo News -- Drugs in Sports)
Our plastic world Oct 3, 2008
Widespread use of BPA and phthalates worries many scientists because both chemicals belong to a group called hormone disruptors. In the body they act like hormones ... Hormones, such as estrogen and testosterone, are two of the body s important messenger molecules. (Science News for Kids)
Counterfeit Drug Strategy Proposed Oct 3, 2008
pharmacist discovered that bottles of Neupogen, a growth hormone prescribed for AIDS and cancer patients, were filled only with saltwater. The FDA report on measures to combat drug counterfeiting was compiled in consultation with drug manufacturers, wholesalers, retailers and pharmacy groups. (Yahoo News -- Pharmaceutical Industry)
• The doctor offers some natural help for better sleep Oct 3, 2008
Melatonin is a hormone produced by the pineal gland in the brain ... Levels of this hormone are highest just prior to bedtime. (Burley South Idaho Press, ID)
Thorpe moves to scuttle doping claims Oct 3, 2008
"ASADA can confirm on Wednesday, August 16 2007 it received the full and final submissions from Ian Thorpe into the matter of his unusual testosterone, epitestosterone and luteinizing hormone levels," the agency said in a statement. "This material will now be examined by ASADA and a determination made as to the way forward."For operating reasons ASADA cannot go into any more detail. (Yahoo News -- Swimming)
Exposure to chemical may affect genitals of baby boys Oct 3, 2008
Those tests suggest that phthalates interfere with the male sex hormone testosterone, causing a "phthalate syndrome" in male fetuses that changes the way their genitals develop, says study author Shanna Swan, a professor at the University of Rochester School of Medicine and Dentistry ... Others can be helped with hormone treatments or surgery ... In her paper, she notes that other researchers have linked phthalates to reduced sperm quality and DNA damage, as well as hormone changes, reduced lung... (USA Today -- News)
Take charge of your breast health Oct 3, 2008
Skip hormone therapy if you re 60 or older. While research suggests that brief stints on hormone therapy, or HT, to relieve menopausal symptoms are OK in younger women, it s best to avoid it past age 60 ... Hormone therapy isn t totally taboo. (Winona Daily News, MN)
New drug for menopause being tested Oct 3, 2008
Wyeth is developing a compound called Aprela that combines the hormone estrogen with bazedoxifene, part of a class of drugs called selective estrogen receptor modulators. These drugs are thought to bring some beneficial effects of estrogen, including protecting the breast from cancer -- key because an older Wyeth hormone replacement drug, the estrogen-progestin combo Prempro, was linked to increased breast cancer risk in a huge federal study ... Sales of hormone replacement drugs topped $2... (CNN -- Health)
