They experience Chronic Stress, typically when a person cope up with poverty, crime, and unemployment in their everyday environment because they had no control over this and they suffered for this stress for a long period of time. It is also an emotional pressure.
The United States gets 81% of its total energy from oil, coal, and natural gas, all of which are fossil fuels. We depend on those fuels to heat our homes, run our vehicles, power industry and manufacturing, and provide us with electricity.