When doctors reports on a brain disorder called CTE (caused by head on collisions) was rejected by the NFL orginastion even though actuaries confirmed a 67% risk of all NFL players getting the disease. CTE caused a person to inflict damage on themselves gradually until eventually committing suicide (for sources, watch movie "Concussion", based on a true story)
I believe that the answer is the authors personal website,
The answer is d because it’s all the above
Might be A but i dont know