Testosterone, Cognition & Aging Men

Evaluating the effects of testosterone and DHA on memory Parsemus Foundation is helping fund a randomized controlled prospective trial on the impact of testosterone or DHA (fish oil) versus placebo on the onset of amyloid plaque associated with Alzheimer’s disease in men with subjective memory complaint (SMC). The study, at the McCusker Alzheimer’s Research Foundation… Read more

New treatment for enlarged prostate

Finally a noninvasive, drug-free treatment for BPH Enlarged prostate is a common problem in older males (both humans and non-humans!). Parsemus Foundation sponsored a study by Dr. Raffaella Leoci to investigate a potential new non-invasive treatment in dogs with benign prostatic hyperplasia (BPH). The method was very effective at reducing the size of the prostate… Read more

Vasalgel FAQ’s

Find Your Answers Here! How does Vasalgel™ work? Vasalgel is a polymer hydrogel that is injected into the vas deferens (the tube sperm swim through) and blocks sperm. The quick procedure is similar to No-Scalpel Vasectomy (NSV), except the doctor injects the vas deferens with gel, instead of cutting it. Does it stop ejaculation? Vasalgel… Read more

Other contraceptive research

Men need more contraception options Did you know that there are over 85 million unintended pregnancies worldwide each year? With only condoms and vasectomy as contraceptive options, men currently have limited choices to control their reproduction. Demand for a non-hormonal, highly effective contraceptive for men is increasing, with use expected to reduce the incidence of… Read more


Ultrasound effectiveness varies by species Ultrasound has been proposed as a noninvasive contraceptive, but the effect varies greatly depending on the species and the methods applied. While ultrasound was an effective contraceptive in rats and a permanent sterilant in dogs, study results in monkeys and self-reported outcomes in humans were disappointing. In 2007, Parsemus Foundation sponsored… Read more

Clean Sheets Pill

Contraception with protection from HIV This quick-acting male contraceptive pill is in earlier stages of research, but it’s exciting because of one feature: it could potentially drastically reduce the male-to-partner transmission of HIV. But would men accept the mechanism of action — a semen-free orgasm — even if it feels exactly the same? (As one… Read more

Vasalgel home

Vasalgel, a multi-year contraceptive VasalgelTM is a long-acting, nonhormonal contraceptive with a significant advantage over vasectomy: it is likely to be more reversible. The procedure is similar to a no-scalpel vasectomy, except a gel is injected into the vas deferens (the tube the sperm swim through), rather than cutting the vas (as is done in… Read more