WASHINGTON, D.C.—Frequent ejaculation may help reduce sperm DNA damage, according to a recent pilot study.

SHOULD CHILDREN with disorders of sex development (DSD) —in which genitalia, chromosomes, or reproductive systems diverge from what is considered the norm for females or males—have reconstructive surgery before they are old enough to make their own decisions? Few questions in medicine evoke a more emotional and divided response. It is a question that may be asked more often than you might think.

PARIS—Y-V preputioplasty is a viable alternative to circumcision for men with phimosis who wish to preserve their foreskin, according to investigators in the UK.

Researchers in Vienna say they have found evidence of a “female prostate,” according to a report in the Journal of Sexual Medicine (2007;4:1388-1393).

ADULT spermatogonial stem cells keep their pluripotency and plasticity throughout their lives, according to researchers. After successful differentiation of human spermatogonial stem cells from testicular parenchyma, it may be possible to develop an individual cell-based therapy.

TORONTO—Chronic use of 5-alpha-reductase inhibitors is associated with mild decreases in sperm count and semen volume, but these recover when men stop taking the drugs, according to data presented here at The Endocrine Society’s annual meeting (ENDO 07).

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.