VIENNA—Erectile dysfunction (ED) may be a common adverse effect of thalidomide used to treat hematologic diseases, according to a study presented here at the 12th Congress of the European Hematology Association.

TORONTO—Androgen deficiency in men aged 50 years and older may be associated with an increased risk of death, independent of adiposity and lifestyle choices, a study suggests. This association may be explained, in part, by the metabolic syndrome and elevated markers of inflammation.

TORONTO—Children who are conceived through in vitro fertilization (IVF) may be at increased risk of early metabolic syndrome, according to researchers in Greece.

TORONTO—Atorvastatin use may lower total testosterone and sex-hormone binding globulin (SHBG) in men with type 2 diabetes, a British study suggests. The statin had no effect on bioavailable or free testosterone.

TORONTO—Smooth and prolonged release of testosterone by transdermal delivery (Testopatch) translates into greater clinical improvement in hypogonadal men compared with oral testosterone, French researchers say.

ANAHEIM, Calif.—Testosterone replacement therapy (TRT) may be an appropriate treatment for hypogonadism in men following radical prostatectomy (RP), according to researchers.

TORONTO—Testosterone undecanoate administered every three months is a safe treatment for hypogonadal men, according to a four-year study.

A FIVE-YEAR study looking at the sperm characteristics from ejaculates of men presenting to an infertility clinic suggests there is a wide range of intrapatient variation in sperm characteristics that does not appear related to abstinence interval or age at semen collection, according to investigators.

THERE IS increasing evidence that higher intake of fruits and vegetables may help ensure better sperm quality, researchers say.

NEITHER dehydroepiandrosterone (DHEA) nor testosterone supplements confer any health benefits, according to a study.