This resolution would most directly affect organizations and individuals involved in public health, cancer research, and advocacy groups, as it provides a specific day to coordinate and amplify their awareness campaigns. While it doesn't create new programs or funding, a national day could help focus media attention and public discourse on cancer prevention strategies.

Indirectly, all Americans could be affected by increased awareness about lifestyle choices, screenings, and environmental factors related to cancer risk, potentially leading to more informed personal health decisions and greater community engagement in the fight against cancer.