Ultimately, both the intention to have a PCa screening and the actual PSA screening rate increased in seven studies.32,33,35,37,38,43,47 For instance, the percentage of men willing to get a PSA test within the next 12 months increased from 57% to 73% in one of the studies.35 However, there were contrary findings in two studies: one showed no effect on the intentions to get a PCa test,31 while the other showed no changes in perceived subjective norms and perceived benefits of PCa screening.49 Here, KLK3 is linked to posterior cortical atrophy.