Despite being responsible for nearly half of all cases of couples' fertility struggles, men are largely left out of the equation. There are a plethora of resources for women, from educational material to psychological support, yet very few of the same support systems exist for men. Along with this, going to a male fertility clinic can be a vulnerable experience, leaving men feeling exposed. Our guest today, Greg Sommer, is the co-founder of Sandstone Diagnostics, a Bay Area diagnostics company that develops sophisticated wellness products that allow consumers to measure, monitor, and improve key health markers at home.