The serum level of bioavailable testosterone (BT) can predict risk for Alzheimer’s disease (AD) in older men, new research suggests. Although low levels of BT were associated with the onset of AD, higher levels may offer protective value against the disease, report the researchers, led by...

Testosterone, the primary male sex hormone, appears to have antidepressant properties, but the exact mechanisms underlying its effects have remained unclear. Nicole Carrier and Mohamed Kabbaj, scientists at Florida State University, are actively working to elucidate these mechanisms. They've discovered that a specific pathway in the...

As men age, many become trapped in a vicious cycle that leads to life-threatening abdominal obesity. No matter how much they exercise or how little they eat, these men are unable to shed this excess weight that accumulates in their belly. Published studies have shown that...

In the latest addition to the ongoing debate over the safety of testosterone treatment, researchers report no significant increased risk of heart attack in older men treated with an intramuscular form of the therapy. The study, published online this week in the Annals of Pharmacotherapy, compared 6355...