Compared to people with low self-esteem, people with high self-esteem tend to think that they are . smarter, have better academic grades, and have better IQ scores smarter, but have the same IQ scores and earn the same academic grades smarter and earn better academic grades, but have the same IQ scores smarter and have higher IQ scores, but earn the same academic grades

Smarter, have better academic grades and have better IQ scores

Explanation:

people with high self-esteem always hold themselves in high regard and tend to see others around to be less smarter than them.

people in Colleges or high school who have a high self esteem tend to think they are smarter, have better academic grades and have better IQ scores when they compare themselves with people they see or hold in low regard ( low self esteem people)

having a low self esteem comes with an individual thinking of him or herself as a less capable individual in comparison to another person usually of the same age or class with him or her.

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.