Our artificial civilization is encouraging evils destructive of sound principles. Custom and fashion are at war with nature. The practices they enjoin, and the indulgences they foster, are steadily lessening both physical and mental strength, and bringing upon the race an intolerable burden.
Watching violent television produces biological effects in the body. These effects include cardiovascular stress, suppression of the immune system, and elevated levels of three different stress hormones, especially cortisol.