The majority of men with androgen deficiency may not be receiving treatment despite having sufficient access to care, according to a report in the May 26 issue of Archives of Internal Medicine, one of the JAMA/Archives journals.

When City traders have high morning testosterone levels they make more than average profits for the rest of that day, researchers at the University of Cambridge have discovered.

Research provides insight into irrational decision making during crashes and bubbles

When City traders have high morning testosterone levels they make more than average profits for the rest of that day, researchers at the University of Cambridge have discovered.

A study of almost 4000 elderly men has drawn the strongest link ever between low testosterone and mood.

Eating too much fructose and glucose can turn off the gene that regulates the levels of active testosterone and estrogen in the body, shows a new study in mice and human cell cultures that’s published this month in the Journal of Clinical Investigation.

A fascinating new study is the first outside of North America to observe lower testosterone levels among married men. Supporting a growing body of research, the study reveals that even married men who are considered aloof spouses and provide minimal parenting have much lower testosterone levels than single, unmarried men.

Low levels of testosterone may increase the long-term risk of death in men over 50 years old, according to researchers with the Department of Family and Preventive Medicine at the University of California, San Diego School of Medicine.

The testosterone levels of healthy men decline as they get older. As sleep quality and quantity typically decrease with age, objectively measured differences in the amount of sleep a healthy older man gets can affect his level of testosterone in the morning, according to a study published in the April 1st issue of the journal SLEEP.