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Current Testosterone News and Events

Current Testosterone News and Events, Testosterone News Articles.
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Testosterone and cortisol modulate the effects of empathy on aggression in children
The study conducted in the UPV/EHU's Department of Basic Psychological Processes and their Development on 139 eight-year-old children has concluded that low levels of testosterone and high levels of empathy may explain the low levels of aggressive behaviour in girls; and that the low levels of empathy and high levels of cortisol may account for high levels of aggressive behaviour in boys. (2019-04-16)
Transgender youth faced with tough decision to freeze sperm or eggs
Transitioning transgender adolescents are forced to consider whether or not they pursue fertility preservation. (2019-04-15)
Adiponectin, the hormone that protects women against liver cancer
The study, published in the Journal of Experimental Medicine, shows that adiponectin protects the liver against the development of the main form of liver cancer, hepatocellular carcinoma. (2019-04-03)
Researchers discover why men are more likely to develop liver cancer
Researchers in Spain have discovered that a hormone secreted by fat cells that is present at higher levels in women can stop liver cells from becoming cancerous. (2019-04-03)
Sex hormone levels in older men are linked to lower biological age
Older men tend to have lower biological age if they have higher levels of sex hormones, particularly the estradiol form of estrogen, a large new study from Australia finds. (2019-03-25)
Second potential male birth control pill passes human safety tests
A new male birth control pill passed tests of safety and tolerability when healthy men used it daily for a month, and it produced hormone responses consistent with effective contraception, according to researchers at two institutions testing the drug. (2019-03-25)
Recovery from sperm suppression due to performance-enhancing drug abuse is slow
Decreased sperm and testosterone production caused by abuse of performing-enhancing hormones may be fully reversible once men stop taking the drugs, but full recovery can take at least nine to 18 months, according to research to be presented Sunday, March 24 at ENDO 2019, the Endocrine Society's annual meeting in New Orleans, La. (2019-03-25)
Another possible consequence of the opioid epidemic: hormone deficiencies
Many people who use opioid medications long term do not produce enough testosterone or another important hormone, cortisol, according to a new study. (2019-03-23)
Improved PCOS symptoms correlate with gut bacterial composition
Symptoms of polycystic ovary syndrome (PCOS) improved with exposure to healthy bacteria in the gut, according to a study in a mouse model of this common women's endocrine disorder. (2019-03-23)
Ovary function is preserved in transgender men at one year of testosterone therapy
Transgender men preserve their fertility potential even after one year of treatment with the male hormone testosterone, according to a study that will be presented Saturday at ENDO 2019, the Endocrine Society's annual meeting in New Orleans, La. (2019-03-23)
Prenatal testosterone linked to long-term effects in females who share womb with male twin
Women who shared their mother's womb with a male twin are less likely to graduate from high school or college, have earned less by their early 30s, and have lower fertility and marriage rates when compared with twins who are both female, according to new Northwestern University research. (2019-03-18)
Hormonal treatment may trigger depression in men with prostate cancer
Men who receive anti-hormonal treatment after having their prostate removed are 80 percent more likely to suffer from depression than men who don't receive this treatment. (2019-03-17)
Testosterone slows prostate cancer recurrence in low-risk patients
In the largest such study so far undertaken, US researchers have shown that testosterone replacement slows the recurrence of prostate cancer in low-risk patients. (2019-03-16)
Professor Mary Schooling analyzes the relationship between testosterone and serious heart conditions
To explore whether there is a strong association between testosterone and the development of heart disease, CUNY SPH Professor Mary Schooling led a study using a technique called Mendelian randomization to analyze genetic variants that predict testosterone levels and their associations with blood clots, heart failure and heart attack in almost 400,000 men and women from a large genetic study and the UK Biobank study. (2019-03-06)
Sex and aggression in mice controlled by cold-sensor in brain
Researchers at the University of Illinois College of Medicine find that TRPM8, long ago identified as a cold-temperature sensor, regulates aggressive and hypersexual behavior in response to testosterone. (2019-03-01)
Researchers discover clues to brain differences between males and females
Researchers at the University of Maryland School of Medicine have discovered a mechanism for how androgens -- male sex steroids -- sculpt brain development. (2019-03-01)
Estrogen made by neurons important to making memories
Estrogen in the brain is important to keep neurons communicating and memories being made, scientists report. (2019-02-25)
Penis development needs more than just testes and testosterone
Proper development of the fetal penis requires not just testosterone from the testes, but a second hormone produced by other tissues, including the placenta, according to a new study publishing Feb. (2019-02-14)
Testosterone limits for female athletes based on 'flawed' research
New rules governing international track and field competitions would require some women to medically reduce their testosterone levels to compete. (2019-02-12)
Female manakins use male mating call when implanted with male hormones
Among golden-collared manakins, a bird found only in Panama and western Colombia, males emit a particular mating call, the 'chee-poo', to attract females. (2019-02-06)
Unexpected results suggest a few joints may not harm men's sperm
Researchers investigating the effect of cannabis smoking on men's testicular function have made the unexpected discovery that it is linked to higher sperm counts and higher testosterone levels among moderate users compared to men who never smoked it. (2019-02-05)
Marijuana smoking linked with higher sperm concentrations
Men who have smoked marijuana at some point in their life had significantly higher concentrations of sperm when compared with men who have never smoked marijuana, according to new research led by Harvard T.H. (2019-02-05)
Mother's age, race, weight affect hormone concentrations in pregnancy, Rutgers study finds
Hormone concentrations during early fetal development -- that may affect the child's development and increase the mother's risk for breast and ovarian cancer years later -- are significantly affected by maternal age, body mass index and race rather than lifestyle, according to a Rutgers study. (2019-02-04)
What causes rats without a Y chromosome to become male?
A look at the brains of an endangered spiny rat off the coast of Japan by University of Missouri (MU) Bond Life Sciences Center scientist Cheryl Rosenfeld could illuminate the subtle genetic influences that stimulate a mammal's cells to develop as male versus female in the absence of a Y chromosome. (2019-01-31)
Researchers identify genes associated with polycystic ovary syndrome
The researchers identified three new sites in the genome that appear to be associated with polycystic ovary syndrome (PCOS). (2018-12-20)
Johns Hopkins researchers examine testosterone use to increase BMD in HIV-infected men
A new study has shown that HIV-infected men had lower median bone mineral density (BMD) scores at the hip compared to HIV-uninfected men, and all men who received testosterone had significantly greater BMD scores at the lumbar spine. (2018-12-12)
Anabolic steroids linked to higher rates of premature death in men
Men who use androgenic anabolic steroids -- such as testosterone -- may face a higher risk of early death and of experiencing more hospital admissions, according to a new Journal of Internal Medicine study. (2018-11-21)
First blood-based biomarker in response to the treatment of the most aggressive prostate cancer
In castration-resistant prostate cancer, the tumors continue to progress even though testosterone production has been blocked; more than 90% of these patients develop metastasis and the survival rate is one to two years. (2018-11-13)
Could bariatric surgery make men more virile?
Men who have undergone bariatric surgery as a long-term way of losing weight might also benefit from increased testosterone levels post-surgery. (2018-10-31)
Sex, drugs and estradiol: why cannabis affects women differently
Sex differences in cannabis use are beginning to be explained with the aid of brain studies in animals and humans. (2018-10-26)
Age-related increase in estrogen may cause common men's hernia
An age-related increase in estrogen may be the culprit behind inguinal hernias, a condition common among elderly men that often requires corrective surgery. (2018-10-16)
Males have greater reproductive success if they spend more time taking care of kids
Males have greater reproductive success if they spend more time taking care of kids -- and not necessarily only their own, according to new research published by anthropologists at Northwestern University. (2018-10-15)
Options for making sex more enjoyable at any age
Women at any age should be able to enjoy sex. (2018-10-03)
Hormone therapy for 'low T' may not be safe for all men
Boosting testosterone levels with hormone supplements may not be safe or appropriate for all men with low testosterone (low T), according to new research. (2018-10-03)
Fathers' postnatal hormone levels predict later caregiving, study shows
Dads whose cortisol levels were elevated while they held their newborns on the day of their birth -- either skin-to-skin or clothed -- were more likely to be involved with indirect care and play with their infants in the first months of their lives. (2018-10-03)
Testosterone treatment over 10 years can improve or reverse type 2 diabetes in men with low testosterone, and induce significant weight loss
New research presented at this year's annual meeting of the European Association for the Study of Diabetes (EASD) reveals that in men with low testosterone who have type 2 diabetes (T2D), testosterone therapy can improve their disease and reverse its progress, and can also induce significant weight loss. (2018-10-02)
Testosterone replacement therapy may slow the progression of COPD
GALVESTON, Texas -- Researchers from The University of Texas Medical Branch at Galveston found that testosterone replacement therapy may slow disease progression of chronic obstructive pulmonary disease. (2018-09-13)
Among body shapes, pears are healthier than apples
For women, fat usually accumulates around the hips, resulting in a pear-shaped look. (2018-09-12)
Prostate problems also associated with sleep disorders and depression
Men who suffer from urological problems such as erectile dysfunction, urinary tract and bladder problems or infertility issues often also suffer from depression and sleep disorders. (2018-08-31)
Eight and nine-year-olds experience poor body image as hormone levels rise
Children as young as eight are vulnerable to poor body image as hormone levels rise with the onset of puberty, a new study has found. (2018-08-14)
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