How could chronic short term stress responses be a disadvantage to the organism?

When dealing with short-term stress, the body produces cortisol that enables our immune system to work faster and efficiently, it enables to treat injuries immediately that are cause by imminent  danger. but if we always produce corisols, will suppress the immune system function

Mg is used to measure mass

The proton has a positive charge while the neutron has no charge they both make up the nucleus of the atom while the elections have a negative charge and surround the nucleus of the atom. the protons and electrons are used to calculate the atom's mass whereas the neutrons don't affect the mass