Despite its original design, the modern human has devolved into a very inefficient and wasteful organism, functioning almost solely on dopamine, which is primarily released by: excessive consumption of television, simple carbohydrates, unhealthy fats, sodium, pornography, money, and drugs. This lifestyle of living for the moment rather than in the moment creates, on average, 50-80 years of gradual decay in every aspect until the body finally gives out.
The modern human is terrified of death, change, arachnids, and anything that isn't incredibly stimulating, repetitive, and simple. Free thought has been almost completely eradicated from the easily influenced minds of the modern humans, who have been manipulated into something resembling blind, self-destructive parrot-sheep-pigs who despise their fellow blind, self-destructive parrot-sheep-pigs with viewpoints that challenge their own regurgitated beliefs. The future looks disastrous and brief if a major paradigm shift does not occur very soon.