In February 2020, I went for my annual checkup in New Orleans, Louisiana, where I live. I received an excellent bill of health. However, I realized that my bloodwork didn’t include the prostate-specific antigen (PSA) test. I went back the next day for a PSA test.

I had just told my friends and family that I was in great health. But when I got the results from the PSA test, I had to share alarming news: my PSA level was 18....