Category Archives: Testosterone Information



Men taking long-acting chronic pain meds five times more likely to have low testosterone levels


Posted by Dr. Michael White, Updated on December 11th, 2017

Reading Time: 2 minutes Jan. 31, 2013 Low testosterone levels occur five times more often among men who take long-acting instead of short-acting opioids for chronic pain, according to a new Kaiser Permanente study published in The Clinical Journal of Pain. While it has been known that opioids cause low testosterone in men, this study is the first to show a significant difference in risk between short-acting (immediate release) and long-acting opioids. The 81 men in the retrospective study were between 26 and 79 years old (median age 51) and were seen in the chronic-pain clinic at Kaiser Permanente's Santa Rosa Medical Center (Calif.) … Read more »

Testosterone therapy takes off pounds


Posted by Dr. Michael White, Updated on December 11th, 2017

Reading Time: 2 minutes Five-year study finds consistent weight loss in men getting hormone Web edition : Monday, June 25th, 2012 HOUSTON Men with low testosterone who are given replacement doses of the hormone shed weight steadily for years, researchers in Germany reported June 23 at a meeting of the Endocrine Society. Study participants, nearly all of whom were overweight or obese at the start of the study, lost 36 pounds on average. This was an unintended effect, said study coauthor Farid Saad, a research endocrinologist at Bayer Pharma in Berlin. The big surprise was that when we analyzed the data [we found] that … Read more »

Testosterone reason women outlive men


Posted by Dr. Michael White, Updated on December 11th, 2017

Reading Time: < 1 minute Scientists say they have new evidence about why women live longer than men, from a study of historical data showing castrated Koreans far outlive their non-eunuch contemporaries. The study, published in the scientific journal, Current Biology, used detailed genealogical records of the Imperial nobility during Korea's Joseon dynasty, which spanned more than 500 years from the late 1300s to the early 1900s. According to the data, most men, including kings and royal family members, died in their late-40s or early-50s. But noble-class eunuchs - men who were castrated either by accident or because of social benefits - lived, on average, … Read more »

Testosterone: MedlinePlus Medical Encyclopedia


Posted by Dr. Michael White, Updated on December 11th, 2017

Reading Time: < 1 minute A testosterone test measures the amount of the male hormone, testosterone, in the blood. Both men and women produce this hormone. The test described in this article measures the total amount of testosterone in the blood. Another test measures what is called "free" testosterone. A blood sample is needed. For information on how this is done, see: Venipuncture The recommended time of day to have a blood sample taken for this test is between 7 a.m. and 10 a.m. It may need to be repeated a second time. The health care provider may advise you to stop taking drugs that … Read more »

Teva, BioSante Win U.S. Approval for Testosterone Therapy


Posted by Dr. Michael White, Updated on December 10th, 2017

Reading Time: < 1 minute February 15, 2012, 8:39 AM EST By Molly Peterson Feb. 15 (Bloomberg) -- BioSante Pharmaceuticals Inc. surged in early trading after the testosterone replacement therapy it developed for men won U.S. regulatory approval. BioSante climbed 46 percent to $1.11 at 8:04 a.m. after the U.S. Food and Drug Administration announced the clearance yesterday. The transdermal gel, Bio-T-Gel, will be marketed by Teva Pharmaceutical Industries Ltd. of Petach Tikva, Israel, for men with low testosterone, a condition known as hypogonadism. BioSante estimates the market for male testosterone products is more than $1.2 billion in the U.S., where hypogonadism affects as many … Read more »

Overweight men can boost low testosterone levels by losing weight


Posted by Dr. Michael White, Updated on December 10th, 2017

Reading Time: 2 minutes Public release date: 25-Jun-2012 [ | E-mail | Share ] Contact: Aaron Lohr alohr@endo-society.org 240-482-1380 The Endocrine Society Weight loss can reduce the prevalence of low testosterone levels in overweight, middle-aged men with prediabetes by almost 50 percent, a new study finds. Results will be presented Monday at The Endocrine Society's 94th Annual Meeting in Houston. "Doctors should first encourage overweight men with low testosterone levels to try to lose weight through diet and exercise before resorting to testosterone therapy to raise their hormone levels," said study co-author Frances Hayes, MD, professor at St. Vincent's University Hospital, Dublin. The new … Read more »

Testosterone Seems to Boost Honesty


Posted by Dr. Michael White, Updated on December 10th, 2017

Reading Time: 2 minutes By Janice Wood Associate News Editor Reviewed by John M. Grohol, Psy.D. on October 11, 2012 New research ties a higher level of testosterone to a higher level of honesty. In experiments, researchers from the University of Bonn showed that men who had received a dose of testosterone clearly lied less frequently than men who had received a placebo. The scientists recruited 91 healthy men and about half, or 46, were treated with testosterone by applying it to the skin in gel form. On the following day, endocrinologists from the Bonn University Hospitals checked whether the blood testosterone levels were … Read more »

Testosterone marketing frenzy draws skepticism from experts


Posted by Dr. Michael White, Updated on December 10th, 2017

Reading Time: 2 minutes Wednesday September 12, 2012 WASHINGTON (AP) -- "Are you falling asleep after dinner?" "Do you have a decrease in libido?" "Have you noticed a recent deterioration in your ability to play sports?" "It could be Low-T." Welcome to the latest big marketing push by U.S. drug companies. In this case, it's a web page for Abbott Laboratories' Androgel, a billion-dollar selling testosterone gel used by millions of American men struggling with the symptoms of growing older that are associated with low testosterone, such as poor sex drive, weight gain and fatigue. Androgel is one of a growing number of prescription … Read more »

Testosterone hope in flab fight


Posted by Dr. Michael White, Updated on December 9th, 2017

Reading Time: 2 minutes BOOSTING testosterone levels in men could help fight the flab and prevent type 2 diabetes. A $4.8 million world-first study by a team of Australian researchers will investigate whether the hormone supplements can help fight the obesity crisis. Recruitment of up to 1500 men aged 50-74 from Victoria, NSW, South Australia and Western Australia is under way. The two Victorian trial sites are the Austin Hospital and Prince Henry's Institute, at Monash Medical Centre. Prince Henry's Institute endocrinologist Dr Carolyn Allan said participants would be required to be in a pre-diabetic stage, in which their blood glucose was higher than … Read more »

Testosterone low, but responsive to competition, in Amazonian tribe — with slideshow


Posted by Dr. Michael White, Updated on December 9th, 2017

Reading Time: 2 minutes It's a rough life for the Tsimane, an isolated indigenous group in Bolivia. They make a living by hunting and foraging in forests, fishing in streams and clearing land by hand to grow crops. Their rugged lifestyle might imply that Tsimane men have elevated testosterone to maintain the physical activity required to survive each day. But new research shows that Tsimane ("chi-MAH-nay") men have a third less baseline testosterone compared with men living in the United States, where life is less physically demanding. And unlike men in the U.S., the Bolivian foragers-farmers do not show declines in testosterone with age. … Read more »

Mayo Clinic-TGen study role testosterone may play in triple negative breast cancer


Posted by Dr. Michael White, Updated on December 8th, 2017

Reading Time: 2 minutes Public release date: 22-Mar-2012 [ | E-mail | Share ] Contact: Steve Yozwiak syozwiak@tgen.org 602-343-8704 The Translational Genomics Research Institute SCOTTSDALE, Ariz. -- Could blocking a testosterone receptor lead to a new way to treat an aggressive form of breast cancer? That's a question researchers at Mayo Clinic in Arizona and the Translational Genomics Research Institute (TGen) are exploring. Preliminary results of a Mayo Clinic - TGen collaborative study shows the testosterone receptor may be a potential target to attack in treating triple negative breast cancer (TNBC). Lead researcher Barbara Pockaj, M.D., a surgical oncologist at Mayo Clinic in Arizona … Read more »

Testosterone Improves Learning, Memory in Older Women


Posted by Dr. Michael White, Updated on December 7th, 2017

Reading Time: < 1 minute By Janice Wood Associate News Editor Reviewed by John M. Grohol, Psy.D. on June 23, 2013 Postmenopausal women who were treated with a testosterone gel showed better improvement in verbal learning and memory compared to women who received a placebo, according to a new study. This is the first large, placebo-controlled study of the effects of testosterone on mental skills in postmenopausal women who are not on estrogen therapy, said principal investigator Susan Davis, M.B.B.S., Ph.D., of Monash University in Melbourne, Australia. Our study has confirmed our similar findings from two smaller studies in postmenopausal women and suggests that testosterone … Read more »

How To Determine Testosterone Levels By Looking At Your Ring Finger


Posted by Dr. Michael White, Updated on December 7th, 2017

Reading Time: < 1 minute Use this method to measure your testosterone level. View original post here: How To Determine Testosterone Levels By Looking At Your Ring Finger … Read more »

Scent of a Man: Women Can Sniff Out a Hot Guy


Posted by Dr. Michael White, Updated on December 7th, 2017

Reading Time: 2 minutes Women at their peak fertility prefer the smell of men oozing with testosterone, a new study finds. Ovulation has been shown to impact a woman's mating preferences. For instance, women in the fertile phase of their menstrual cycle favor more masculine traits, such as a deep voice or manly face, characteristics associated with the hormone testosterone, studies have found. Other research suggests fertile women are attracted to men with high levels of the stress hormone cortisol, which may be involved in stronger immune systems. In the new study, researchers tested how women's sexual scent preferences changed depending on men's levels … Read more »

Testosterone makes male canaries sing more, but not better


Posted by Dr. Michael White, Updated on December 7th, 2017

Reading Time: < 1 minute Dec. 30 (UPI) -- Testosterone introduced to specific regions of the male canary's brain affects the frequency and quality of songs, which are used to attract females. Researchers at Johns Hopkins University divided the 20 male canaries into three groups. One group was given testosterone injections in one specific area of the brain -- the medial preoptic nucleus, or POM, which affects sexual motivation. The second group was given testosterone that acted throughout the brain and the third group was given no testosterone. The birds that received targeted testosterone sang at a higher rate, but some sang very poorly, and … Read more »

Testosterone Information from Drugs.com


Posted by Dr. Michael White, Updated on December 7th, 2017

Reading Time: < 1 minute Generic Name: testosterone injection (tes TOS ter one) Brand Names: Andro LA 200, Delatestryl, Depandro 100, Depo-Testosterone, Testosterone Cypionate, Testosterone Enanthate Testosterone is a sex hormone that is produced in male testicles. Testosterone is also produced in small amounts in woman's ovaries and adrenal system. Testosterone is used in men and boys to treat conditions caused by a lack of this hormone, such as delayed puberty, impotence, or other hormonal imbalances. It is also used in women to treat breast cancer that has spread to other parts of the body. Before receiving this medication, tell your doctor if you have … Read more »

Testosterone Official FDA information, side effects and uses.


Posted by Dr. Michael White, Updated on December 7th, 2017

Reading Time: 2 minutes Testosterone Description Testosterone Cypionate Injection, for intramuscular injection, contains Testosterone cypionate which is the oil-soluble 17 (beta)- cyclopentylpropionate ester of the androgenic hormone Testosterone. Testosterone cypionate is a white or creamy white crystalline powder, odorless or nearly so and stable in air. It is insoluble in water, freely soluble in alcohol, chloroform, dioxane, ether, and soluble in vegetable oils. The chemical name for Testosterone cypionate is androst-4-en-3-one,17-(3-cyclopentyl-1- oxopropoxy)-, (17)-. Its molecular formula is C27H40O3, and the molecular weight 412.61. The structural formula is represented below: Testosterone Cypionate Injection is available as 200 mg/mL Testosterone cypionate. Endogenous androgens are responsible for … Read more »

Does Working Out Lift Men's Testosterone Levels?


Posted by Dr. Michael White, Updated on December 7th, 2017

Reading Time: < 1 minute By Eric Metcalf, MPH WebMD Feature If youre a man with low testosterone, exercise may help. Doctors and fitness professionals still have a lot to learn about exercise and its effects on testosterone. Several factors besides your workout are involved. But one thing is clear: You need to make exercise a habit in order to get the benefits. After exercise, testosterone levels rise -- but not for long. "Sometimes its 15 minutes after exercise that testosterone is elevated. Sometimes it can be up to an hour, says Todd Schroeder, PhD, who studies exercise and hormones in older men at the … Read more »

Testosterone dips in dads who sleep beside their kids


Posted by Dr. Michael White, Updated on December 7th, 2017

Reading Time: 2 minutes Moms bodies arent the only ones that change after childbirth: Testosterone dips in fathers who sleep next to their children, say researchers who want us to reconsider dutiful dads as deeply ancestral and masculine. We didnt realize they werent masculine? University of Notre Dame researchers looked at a longitudinal study that followed men in the Phillipine province of Cebu since 1983 when they were just a year old. In 2009, scientists had measured the testosterone levels in 362 of these men, who were now new fathers. They found that fathers who co-slept with their kids showed significantly lower levels of … Read more »

Women can 'sniff out' competition


Posted by Dr. Michael White, Updated on December 7th, 2017

Reading Time: < 1 minute Washington, Sept. 25 (ANI): Just a trace of smell of a woman, close to ovulation, can stimulate another ladies' testosterone levels, along with her desire to compete. Lead author Jon Maner, a Florida State University psychologist, told Discovery News that it could be speculated that women exposed to scent of ovulation may become more antagonistic or competitive. Maner and co-author James McNulty measured at the levels of testosterone of women before and after they had taken a whiff of t-shirts previously worn by other women aged 18-21. The latter group had worn the clothing when they were at high fertility … Read more »