This can lead to higher levels of aggression and anger.

Private car use has continued to increase which is leading to greater levels of city congestion and urban air quality challenges.

It can lead to lower levels of poverty and unemployment.

This, he says, will lead her to greater levels of pleasure than she ever imagined possible.

It was a terrible mistake that led the world to current insane levels of nuclear arms.

In fact, it has led to historic levels of debt, both national and personal.

This could lead to dangerously high levels of these chemicals.

It has also led to increasing levels of care and concern across the borders.

This will lead to high levels of competition and pressure on prices in the healthcare sector.

This in turn, can lead to higher levels of performance.