Current Testosterone News and Events

Current Testosterone News and Events, Testosterone News Articles.
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Structured exercise program, not testosterone therapy improved men's artery health
A 12-week, structured exercise program improved artery health and function in men ages 50 to 70 years old who had low to normal testosterone levels before the program began. Adding testosterone therapy to exercise or testosterone therapy alone did not improve artery health or function. (2021-02-22)

Study finds risk factor for blood clots occurs in more than 10 percent of transgender men using testosterone
A potentially dangerous side effect of testosterone therapy for transgender men is an increase in red blood cells that can raise the risk of blood clots, heart attack or stroke, according to a new study published in the Endocrine Society's Journal of Clinical Endocrinology & Metabolism. (2021-02-18)

Lower testosterone during puberty increases the brain's sensitivity to it in adulthood
Young men with lower testosterone levels throughout puberty become more sensitive to how the hormone influences the brain's responses to faces in adulthood, according to new research published in JNeurosci. (2021-02-15)

Children's finger length points to mothers' income level
Low-income mothers feminize their children in the womb by adjusting their hormones, whereas high-income mothers masculinize their children, a major study based on finger length, led by a Swansea University expert, has found. The phenomenon is an unconscious evolutionary response aimed at boosting their offspring's chances of successful reproduction. It helps, in part, explain associations between low income, low levels of testosterone before birth, and major causes of mortality such as cardiovascular disease. (2021-02-09)

Inflammation from ADT may cause fatigue in prostate cancer patients
Moffitt Cancer Center researchers are investigating whether inflammation in the body, a side effect of ADT, contributes to these symptoms in prostate cancer patients. In a new study published in the journal Cancer, they pinpoint a specific inflammation marker that is associated with increased fatigue in this group of patients. (2021-01-04)

Keeping up appearances: male fairy-wrens show looks can be deceiving
A new study examines whether conspicuous colours of superb fairy-wrens signal male quality. (2020-12-22)

Male bats with high testosterone levels have large forearm crusts when females are fertile
Mammalian odors are frequently sexually dimorphic, with males often exhibiting a stronger, or otherwise distinct, odor relative to females, which can be especially useful for nocturnal species with reduced use of vision. Some male bats exhibit intense odors to attract females and reproduce, presumably as a consequence of a high concentration of testosterone. (2020-12-15)

Vitamin D the clue to more Autism spectrum disorder in boys
Professor Darryl Eyles and Dr Asad Ali from UQ's Queensland Brain Institute found vitamin D deficiency during pregnancy caused an increase in testosterone in the developing brain of male rats. Low vitamin D in mothers is one of the risk factors for Autism spectrum disorder, which is three times as common in boys. (2020-12-11)

Can facial recognition help identify congenital adrenal hyperplasia?
Investigators train computers to recognize facial features, showing promise for identifying congenital adrenal hyperplasia, a rare hormone disorder. (2020-11-18)

Two genes regulate social dominance
Using the Nobel Prize gene-editing technique, a University of Houston researcher has found that two genes regulate social dominance in cichlid fish and - possibly - humans. (2020-11-10)

COVID-19: Dexamethasone discovery carries treatment implications
A new finding about dexamethasone suggests diabetes and other factors may reduce its potentially lifesaving effectiveness for patients with severe COVID-19. (2020-10-22)

COVID-19 may deplete testosterone, helping to explain male patients' poorer prognosis
For the first time, data from a study with patients hospitalized due to COVID-19 suggest that the disease might deteriorate men's testosterone levels. (2020-09-28)

Is your drinking water toxic? This app may help you find out
Since fracking sites use a diverse mix of chemical ingredients, often individuals and researchers are in the dark about the health consequences of living near a particular well. Now, a new, interactive tool created by Penn Medicine researchers allows community members and scientists to find out which toxins may be lurking in their drinking water. (2020-09-22)

Site of male sexual desire uncovered in brain
The locus of male sexual desire has been uncovered in specific regions of brain tissue where a key gene named aromatase is present, reports a new study in mice. The gene regulates sexual behavior in men, and thus can be targeted by drugs to either increase its function for low sexual desire or decrease its function for compulsive sexual desire, scientists said. Aromatase converts testosterone to estrogen in the brain, which drives male sexual activity. (2020-09-11)

Insomnia identified as a new risk factor for type 2 diabetes in new study which also confirms many other risk and protective factors
A new 'global atlas' study published in Diabetologia (the journal of the European Association for the Study of Diabetes [EASD]) is the first to identify insomnia as a risk factor associated with increased risk of developing type 2 diabetes (T2D). The study identifies 34 risk factors that are thought to increase (19) or decrease risk (15), as well as a further 21 'suggestive' risk factors where evidence was not quite as strong. (2020-09-08)

11 years of data add to the evidence for using testosterone therapy to treat obesity, including as an alternative to obesity surgery
New research covering 11 years of data presented at this year's European and International Congress on Obesity (ECOICO 2020) show that, in obese men suffering from hypogonadism (low testosterone), treatment with testosterone injections lowers their weight and improves a wide range of other metabolic parameters. (2020-09-03)

New androgen receptor structure suggests prostate cancer treatment options
Researchers at Baylor College of Medicine reveal for the first time the complete 3-D structure of the active, full-length androgen receptor-coactivator complex as it interacts with DNA. (2020-07-14)

Hormone systems can still be adapted in adulthood
Behavioural biologists at M├╝nster University have now been able to demonstrate for the first time that male guinea pigs are still able to adapt their hormone systems to changes in their social environment in adulthood. The study has been published in the journal Proceedings of the Royal Society B. (2020-06-16)

Drug reduces the risk of child sexual abuse
A drug that lowers levels of the male hormone testosterone in the body reduces the risk of men with pedophilic disorder sexually abusing children, a study from Karolinska Institutet published today in the journal JAMA Psychiatry shows. (2020-04-29)

Odor experts uncover the smelly chemistry of lemur love
Three chemicals with floral, fruity scents are likely essential ingredients in the natural cologne male ring-tailed lemurs use to attract a mate. Experts in odor communication say these chemicals could be the first fully identified sex pheromones in primates. (2020-04-16)

Mindful yoga reduces testosterone by 29% in women with polycystic ovary syndrome
New research shows the regular practice of mindful yoga helps ease symptoms and improve androgen levels in women with PCOS. (2020-04-14)

New method created by Skoltech scientists will make doping tests quicker
Skoltech scientists and their colleagues proposed a way to simplify the search for traces of medicines, narcotic substances and sports doping drugs in human biological samples by performing two additional tests with the search domain reduced tenfold. (2020-04-13)

Men with erectile dysfunction may face higher risk of death
Men with erectile dysfunction have a higher risk of death, regardless of their testosterone levels, suggests a study accepted for presentation at ENDO 2020, the Endocrine Society's annual meeting, and publication in a special supplemental section of the Journal of the Endocrine Society. (2020-03-31)

Researchers validate link between genetic variant and poor outcomes in advanced prostate cancer
In a new Cleveland Clinic-led study published in JAMA Oncology, researchers show that a testosterone-related genetic variant -- HSD3B1(1245C) -- is associated with more aggressive disease and shorter survival in men with metastatic prostate cancer. (2020-02-13)

Sex hormone-related protein levels may impact stroke risk in women
Women with lower blood levels of a protein that binds to and transports sex hormones like estradiol and testosterone may have a higher risk of ischemic stroke. Hormonal biomarkers may someday improve the ability to predict ischemic stroke risk in women. (2020-02-12)

Testosterone levels affect risk of metabolic disease and cancers
Having genetically higher testosterone levels increases the risk of metabolic diseases such as type 2 diabetes in women, while reducing the risk in men. Higher testosterone levels also increase the risks of breast and endometrial cancers in women, and prostate cancer in men. (2020-02-10)

Teens with obesity and PCOS have more 'unhealthy' bacteria
Teens with obesity and polycystic ovary syndrome (PCOS) have more 'unhealthy' gut bacteria suggesting the microbiome may play a role in the disorder, according to new research published in the Endocrine Society's Journal of Clinical Endocrinology & Metabolism. (2020-01-23)

Low-fat diet linked to lower testosterone levels in men
For the many men diagnosed with testosterone deficiency, losing weight can help increase testosterone levels. But certain diets -- specifically a low-fat diet -- may be associated with a small but significant reduction in testosterone, suggests a study in The Journal of Urology®, Official Journal of the American Urological Association (AUA). The Journal is published in the Lippincott portfolio by Wolters Kluwer. (2020-01-10)

Nuclear radiologists 'outsmart' prostate cancer with an apparently ineffective drug
Patients with advanced metastatic prostate cancer often have few treatment options. One approach that is available involves destroying prostate cancer cells by introducing a radioactive molecule into tumor cells via a protein called PMSA. Nuclear radiologists in Saarland have now discovered that far more PSMA molecules can be produced on the surface of the tumor cell if patients are given a drug that had previously become ineffective during an earlier phase of their cancer treatment. (2020-01-09)

First genomic study of puberty yields insights into development and cancer
In the first-ever genome-scale analysis of the puberty process in humans, researchers at Huntsman Cancer Institute (HCI) at the University of Utah (U of U) outline distinct and critical changes to stem cells in males during adolescence. (2020-01-09)

American College of Physicians issues guideline for testosterone treatment in adult men
Physicians should prescribe testosterone for men with age-related low testosterone only to treat sexual dysfunction, the American College of Physicians says in a new evidence-based clinical practice guideline published in Annals of Internal Medicine. (2020-01-06)

ACP issues guideline for testosterone treatment in adult men with age-related low testosterone
Physicians should prescribe testosterone for men with age-related low testosterone only to treat sexual dysfunction, the American College of Physicians (ACP) says in a new evidence-based clinical practice guideline. The evidence shows that men with age-related low testosterone may experience slight improvements in sexual and erectile function. The guideline is published in Annals of Internal Medicine. (2020-01-06)

Fewer fats over the festive season may be the perfect formula for men's fertility
A diet low in fat and high in egg whites could be the key to boosting male fertility according to a new pilot study. (2019-12-22)

Study sheds new light on role iron biology plays in disease
New research shows that the body's system for regulating iron is much more complex than originally thought--and this has surprising implications in at least three human diseases, according to a new study by University of Alberta biologists. (2019-11-29)

Young male cancer survivors may benefit from testosterone replacement
In young male cancer survivors with low testosterone levels, testosterone replacement therapy is associated with an improvement in body composition, according to a new study published this week in PLOS Medicine by Richard Ross of University of Sheffield, UK, and colleagues. (2019-11-12)

High levels of two hormones in the blood raise prostate cancer risk
Men with higher levels of 'free' testosterone and a growth hormone in their blood are more likely to be diagnosed with prostate cancer, according to research presented at the 2019 NCRI Cancer Conference. (2019-10-31)

Scientists link hormone production in baby wallabies how some girls are born with 'male' genitalia
Study has made a connection between the way baby wallabies produce male hormones and how some human girls are born with genitalia that resemble those of a boy. (2019-10-16)

Scientists find gender-distinct circuit for depression
Depression affects women nearly twice as much as men, but unraveling the brain's blueprint that regulates this behavior, let alone identifying specific molecular differences between sexes, has proven difficult. Michigan State University researchers, however, have found and flipped a switch in the brain, revealing a single circuit in mice that activates during stress and is controlled by testosterone. (2019-10-09)

Treatment for 'low T' could someday come from a single skin cell, USC research shows
USC researchers have successfully grown human, testosterone-producing cells in the lab, paving the way to someday treat low testosterone with personalized replacement cells. (2019-10-07)

Women with asthma appear more likely to have lower levels of testosterone
Women with asthma appear more likely to have lower levels of 'free' (not attached to proteins) testosterone than women who do not have asthma, according to new research published online in the American Thoracic Society's American Journal of Respiratory and Critical Care Medicine. (2019-09-30)

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