Fact checked by Jennifer KlumpCredit: Olga Rolenko / Getty ImagesSome biohackers claim that icing your testicles daily can increase testosterone, sperm count, and libido. We were a bit skeptical, so we asked Martin S. Gross, MD, FACS, a urologist and men’s health expert, whether there’s any evidence supporting this trend.Gross is an associate professor of surgery (urology) at the Geisel School of Medicine at Dartmouth University and co-director …