First, the NHIRD does not contain detailed information regarding the symptom severity of BPH, the histological and TNM classification of PCa and BC, serum sex hormone concentrations, Prostate-Specific Antigen (PSA) levels, T. vaginalis antibody test, family history, or personal history such as sexual exposure, physical activity, alcohol consumption or tobacco smoking. This evidence concerns the gene KLK3 and posterior cortical atrophy.