When Maja Latham’s father was diagnosed with an aggressive form of bladder cancer, she got aggressive, too.

As the “researcher” in her immediate family, Maja had never even heard of bladder cancer until her then 59-year-old father, Andre Stenzel, was diagnosed in 2013. It was only after hours of reading and exploring websites that she learned how many people are impacted by the disease.

According to the National Cancer Institute...