An integrated understanding of pain control in terms of mental distraction, the release of endorphins, and the presence of empathic caregivers is most clearly provided bya. opponent-process theory. b. the visual cliff. c. a biopsychosocial approach. d. perceptual constancy. e. the phi phenomenon.

c. a biopsychosocial approach.                                                      

Explanation:

Biopsychosocial approach: In psychology, the biopsychosocial approach was introduced at Rochester a long back, and is referred to as the phenomenon that involves the social, psychological, and biological aspects or factors and the complex interactions among them while understanding illness, health care, and health. It is responsible for determining the reason behind an individual suffering a particular disorder.

In the question above, the given statement represents the biopsychosocial approach.

explanation:

allergens: overstimulate the nerve system

neurotics: attack nerve cells

mutagens: damage or otherwise alter dna sequence

generators: cause defects during growth and development  

carcinogens: cause unchecked cell growth

i hope you get the idea according to me these are the effects that happened.