This assumption will explain:

1-the big difference in mass between hadrons (protons, neutrons, & mesons) and their components (quarks),

2-mass difference between nucleus and its individual components (protons and neutrons),

3-massless of photons,

4-abnormal masses of mesons and bosons,

and

5-the excess in galaxy masses (dark matter).

Please check details on the following article and share your comments.

Article Mass Increase with Strong and Gravitational Potentials, and ...