According to the principle of overload, endurance is increased when muscles work for a longer period of time than usual.

The statement is true

According to principle of overload, we can increase our muscle endurance by adding more stress to our muscles. Overtime, our body will be adjusted to experience that stress and thats when our endurance increases

People need to distract themselves with actitives. they can also find a natural high. an example would be eating alot of meat. that meat can release dopamine to the brain which gives one a natural high feeling.

Answer (185 billion dollars).