Most studies have focused on reducing high blood pressure to average levels.

This can put pressure on individuals and reduce a population to vulnerable levels.

Just as significantly, the price has been reduced to more reasonable levels.

The police force would be reduced to dangerously low levels.

Last week, the Mayor made public a new budget that would reduce the city's work force to its lowest level since 1985.

Was there not something said about 'Reducing a problem to its lowest level'?

This reduced the population of the species to dangerously low levels.

It had taken less than two months to reduce them to pre-spaceflight levels.

The limit proposed is that by the year 2000 each country should reduce its emissions to 1990 levels.

For two thousand years, the existence of man was reduced to its most primitive level.