The standard cutoff point for low testosterone levels may not be accurate for men in their mid-forties and younger, reports a study in The Journal of Urology®, an Official Journal of the American Urological Association (AUA). The journal is published in the Lippincott portfolio by Wolters Kluwer.
Tag: Testosterone
Mouse model of transgender men finds active testosterone worsens IVF outcomes
Active testosterone therapy for transgender men may negatively impact IVF outcomes, suggests a mouse study being presented Monday at ENDO 2022, the Endocrine Society’s annual meeting in Atlanta, Ga.
Testosterone improves quality of life, sexual function, and delayed verbal recall in men with uncontrolled type 2 diabetes
Testosterone replacement therapy improved sexual symptoms, libido, symptom severity, delayed verbal recall and overall quality of life among people with poorly controlled type 2 diabetes and hypogonadism, according to research being presented Monday at ENDO 2022, the Endocrine Society’s annual meeting in Atlanta, Ga.
Analysis finds little evidence of heart problems in men undergoing testosterone treatment
Previous clinical trials have provided insufficient evidence to decide whether testosterone causes heart problems in men during the first year of treatment, according to research being presented Monday at ENDO 2022, the Endocrine Society’s annual meeting in Atlanta, Ga., and published in The Lancet Healthy Longevity.
Multi-decade research links fathers’ testosterone production to their adolescent experiences with their own fathers
Notre Dame’s Lee Gettler and his collaborators have drawn on data collected over more than 30 years from almost 1,000 men in the Philippines to help shed light on the importance of adolescence and father-son experiences to sons’ adult testosterone patterns.
University of Miami Urologists Study How Plant-Based Diets Impact Men’s Health
Studies show that plant-based diets can help lower prostate-specific antigen (PSA levels), improve serum testosterone and erectile dysfunction.
Does testosterone influence success? Not much, research suggests
With the Olympics underway, higher testosterone has often been linked to sporting success, and other kinds of success too. But beyond sport, new research has found little evidence that testosterone meaningfully influences life chances for men or women.
For men, low testosterone means high risk of severe COVID-19
A new study from Washington University School of Medicine in St. Louis suggests that, among men, low testosterone levels in the blood are linked to more severe COVID-19. The study contradicts widespread assumptions that higher testosterone may explain why men, on average, develop more severe COVID-19 than women do.
Inflammatory diet linked to testosterone deficiency in men
Consuming a diet high in pro-inflammatory foods – including foods that contain refined carbohydrates and sugar as well as polyunsaturated fats – may be associated with increased odds of developing testosterone deficiency among men, 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.
Study finds oral testosterone therapy undecanoate is effective, with no liver toxicity
An industry-supported study of an oral testosterone replacement therapy (TRT), testosterone undecanoate (TU, brand name Jatenzo) finds it is an effective, long-term treatment for men with low testosterone levels, with no evidence of liver toxicity. The findings are being presented virtually at ENDO 2021, the Endocrine Society’s annual meeting.
Sex Hormones Contribute to Sex Differences in COVD-19
Article title: Sex steroids skew ACE2 expression in human airway: a contributing factor to sex differences in COVID-19? Authors: Rama Satyanarayana Raju Kalidhindi, Niyati A. Borkar, Nilesh Sudhakar Ambhore, Christina M. Pabelick, Y. S. Prakash, Venkatachalem Sathish From the authors:…

New study first to define link between testosterone and fathers’ social roles outside the family
Lee Gettler, associate professor of anthropology at Notre Dame, led a team that worked with the BaYaka and Bondongo societies in the Republic of the Congo.
Expectant lesbian couples see benefits in lower prenatal testosterone levels
Among lesbian couples expecting their first child, low prenatal testosterone levels predict a higher quality of nurturing behavior, according to a new University of Michigan study.

Plant-Based Diets Support Healthy Testosterone Levels
Men who follow plant-based diets have testosterone levels that are basically the same as the levels in men who eat meat, a study shows. This finding dispels a widespread notion that men need large amounts of animal protein in order to support healthy levels of this hormone.
Lowering Testosterone May Reduce Severity of COVID-19
Lowering testosterone may prevent the new coronavirus from entering lung cells and lessen COVID-19 severity, new Columbia University research suggests. A trial has now begun in three VA hospitals.
Researchers Validate Link Between Genetic Variant and Poor Outcomes in Men with 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.

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.

Are testosterone-boosting supplements effective? Not likely, according to new research
Over-the-counter “T boosters” are a popular choice for men looking to raise their testosterone levels, and are frequently marketed as being an effective “natural” option. However, new research points toward these supplements as having little or no known effect. LOS…