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Current Testosterone News and Events, Testosterone News Articles.
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UCSF Study Shows That An Herbal Therapy Reduces PSA Levels By Half In Men With Advanced Prostate Cancer
In one of the first studies of its kind, researchers at the University of California San Francisco report that an herbal compound significantly reduced prostate specific antigen (PSA) levels, an indicator of cancer cells, in men with advanced prostate cancer. (1999-05-18)
Plant-Based Fat Inhibits Growth Of Breast-Cancer Cell Line, UB Researchers Show
A plant-based fat abundant in vegetarian diets and shown to inhibit the growth of prostate and colon cancer cells in vitro, also inhibits the growth in vitro of one line of breast-cancer cells, University at Buffalo nutrition researchers have found. (1999-05-05)
Study Finds Combining Exercise With Male Hormone Therapy Benefits Men With HIV-Wasting Disease
Men who suffer from HIV-wasting syndrome can benefit significantly from a combination of exercise and regular, moderate doses of male hormones, according to a new clinical study led by a University of California San Francisco researcher. (1999-04-14)
Melatonin Shapes Brain Structure In Songbirds
Scientists have found that the hormone melatonin is a critical regulator of brain plasticity in birds, controlling mating-related song bursts and fine-tuning the profound effects of testosterone. (1999-04-14)
Plant-Based Fat May Reduce Risk Of Prostate Cancer By Altering Testosterone Metabolism, UB Study Shows
Plant-based fats may cut the risk of prostate cancer by reducing the levels of both testosterone and certain enzymes that metabolize testosterone into more active forms, a new study by University at Buffalo nutrition researchers has shown. (1999-02-23)
It's All In The Mind... Brain Mapping Of Sexual Arousal
The team led by Serge Stoleru (INSERM research unit 292, specialized in public health, Paris) have just identified the brain regions activated during sexual arousal in men, by positron emission tomography. (1999-02-22)
University Of Pittsburgh Researcher Identifies Serum Sex Hormones As Powerful Predictors Of Breast Cancer
Results of a University of Pittsburgh study published in the February 16 issue of the Annals of Internal Medicine suggest that in the near future a simple blood test to detect levels of sex hormones could predict which women are at the highest risk of developing breast cancer. (1999-02-15)
Cardinals Can Recognize Gender By Song, Columbia University Biologist Finds
Male and female cardinals recognize each other during breeding season not by their plumage, but by differences in their songs, according to Columbia research scientist Ayako Yamaguchi. (1998-09-15)
Jefferson Physician Warns Further Study Of DHEA's Safety Needed
An endocrinologist at Jefferson Medical College cautions that dehydroepiandrosterone (DHEA), a natural hormone and popular food supplement believed by many to have anti-aging properties, may actually increase men's risk of prostate cancer. (1998-09-10)
Penn Researchers Find Mutation In Prostate Cancer Gene
A genetic mutation associated with prostate cancer has been identified, for the first time, by scientists at the University of Pennsylvania Cancer Center. (1998-08-19)
Testosterone Decreases HIV Fatigue, Improves Mood
Testosterone injections can reduce fatigue and improve mood among men who test positive for HIV, including those with full-blown AIDS, report researchers at the New York State Psychiatric Institute. (1998-08-15)
Tall Tot Today, Bully Tomorrow?
When it comes to predicting which toddlers are the school- yard bullies of tomorrow, size does matter, according to a new study. (1998-08-13)
University Of Kentucky Chandler Medical Center Researchers Identify Protein That May Cause Nerve Cell Death In Alzheimer's Disease
A team of University of Kentucky Chandler Medical Center researchers has discovered that Par-4, a protein, may lead to nerve cell death in Alzheimer's disease and related brain disorders. (1998-08-04)
USC/Norris Study Finds No Benefit Of Finasteride In Preventing Prostate Cancer In Men At Elevated Risk
Scientists have theorized that the drug finasteride, sold as Proscar, might help men cut their risk of developing prostate cancer - an idea now being tested in a large national trial. (1998-08-01)
Some Muscles Respond To Weight Training In Just Two Weeks
If you've just begun a weight training program and are discouraged by the lack of a bulging biceps, take heart: Even though changes aren't visible in a mirror, researchers at Ohio University and Pennsylvania State University have found the changes are visible under a microscope. (1998-07-27)
Sex Hormones Found To Have Little Or No Effect
Researchers have found little or no effect on adolescent sexual behavior after giving test subjects sex hormones over a nearly two-year period. (1998-07-20)
Testosterone Improves Quality Of Life In Men With AIDS Wasting Syndrome
A research team based at the Massachusetts General Hospital has found that testosterone administration significantly increases lean body mass and improves the quality of life in men with AIDS wasting syndrome. (1998-07-01)
Excess Body Hair, Apple-Shape In Women May Indicate Increased Risk Of Breast Cancer
Women who display certain physical characteristics, such as abundant body hair, excessively oily skin and an apple-shaped physique, may have a greater risk of developing breast cancer than other women, researchers at the University at Buffalo have found. (1998-06-25)
Successful Cancer Therapy May Doom Later Treatments To Failure
Massachusetts General Hospital and Harvard Medical School researchers have found that as solid tumors shrink, so do the pores in the blood vessels surrounding the tumors. (1998-04-14)
High Testosterone Level May Lead Male Junco To Stray From Mate
High levels of testosterone may make a normally monogamous male bird stray from his mate to copulate with neighboring females. (1998-02-10)
Research Finds Alligator Problems Also Evident In Less Polluted Lakes
Reproductive and hormonal problems documented in alligators living in a polluted Florida lake have been found in alligators living in other Florida lakes thought to be more insulated from pollutants, say researchers at the University of Florida. (1998-02-09)
Many HIV-Positive Women Have Untreated Sexual Disorder
HIV-infected women are likely to experience decreasing sexual desire, a disorder that often goes untreated. (1998-01-23)
Stress Lowers Sperm Count By Overwhelming Cells That Make Testosterone
Why does stress lower a man's sperm count? Population Council researchers report that stress hormones overpower the enzymes that ensure that cells in the testes produce the testosterone necessary to begin sperm formation. (1997-11-21)
Portions Of Male Sparrow Brains Grow When Birds Paired With Females
A new study indicating that portions of bird brains enlarge in response to social factors adds to the mounting evidence that brains of higher animals change over time. (1997-10-28)
Testosterone And Working Memory; Epilepsy And Schizophrenia; Toxins And Neuron Death; Oregon Researchers Present Findings At Society For Neuroscience
At this week's Society for Neuroscience meeting, researchers from Oregon Health Sciences University are presenting findings on testosterone supplementation and working memory in older men, the delicate balance between epilepsy and schizophrenia, environmental toxins that destroy neurons, and a peptide that could someday be used to regulate sleep. (1997-10-24)
Testosterone Levels Early In Life May Determine Later Risk Of Prostate Cancer
Duke University Medical Center researchers have found preliminary evidence suggesting a man's lifetime risk of prostate cancer may be linked to the amount of male hormone testosterone circulating in his body as early as puberty or even in utero, although direct evidence of this link remains to be shown. (1997-10-12)
Testosterone Linked To Violence In Female Inmates
Higher testosterone levels are linked with criminal violence and aggressive dominance among women in prison, says a Georgia State University study. (1997-09-23)
Imbalances In Diet Can Reduce Testosterone, Muscle Strength
Imbalances in the diet can reduce levels of testosterone, a hormone necessary to increase the size and strength of muscles (1997-03-11)
Testosterone May Fight As Well As Feed Prostate Cancers
In a surprising finding that suggests radical changes in the way prostate cancer is managed, University of Chicago researchers have shown in laboratory experiments that the male hormone testosterone, which fuels prostate cancers early in their growth, canin later stages cause tumors to stop growing or even shrink (1996-10-15)
Discovery Hints At Multitude Of New Targets For Drugs
A new study of how drugs plug into the human progesterone receptor in the cell supports a new and different view of how drugs and hormones act on steroid hormone receptors that trigger cellular responses (1996-08-20)
Testosterone May Affect Learning Skills; May Be Put In Tablet Form
Johns Hopkins scientists studying testosterone-replacement therapy report that the primary male sex hormone may affect some learning skills, including improving visual and perceptual abilities. (1996-06-14)
Testosterone Dip May Predict Weight Loss In HIV Cases
Declining testosterone in HIV-positive men may be an early signal for the dangerous weight loss that occurs when AIDS develops, according to a Johns Hopkins study (1996-06-12)
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