He conducts research to determine the causes of male sexual dysfunction. Among his findings to date have been the confirmation that erectile function decreases as age increases and that there is an accumulation of fibrous tissue that loses elasticity in the penis of older experimental animals. He also found a decrease in the levels of neurotransmitters that are responsible for relaxing smooth muscles and a decrease in the levels of some important growth factors that are responsible for blood supply to the penis. Currently, his research team is evaluating whether hormonal supplementation would be beneficial.