21.   But in recent years, a growing cynicism about the federal government is fueling anti-government craziness to a dangerous level.

22.   But she found the breathing tube painful and uncomfortable, and she periodically tried to yank it out, which raised her blood pressure to dangerous levels.

23.   But that drinking water now turns out to be tainted with dangerous levels of arsenic.

24.   But otters in Germany are still found to have dangerous levels of toxins in their kidneys, liver, and fat, a sign that pollution remains.

25.   But when it is pulverized into dust being blown up, it can be inhaled and accumulate to dangerous levels inside the body.

26.   Concrete evidence that prices are falling or that bank reserves are dipping to dangerous levels, threatening a credit crunch.

27.   Corporate debt has not reached dangerous levels across every industry, but overall debt has risen substantially in the last five years.

28.   Dangerous levels of arsenic have been found in the ground water, entering millions of people sip by sip.

29.   Dangerous levels of arsenic have been found in the ground water, entering millions of people as they drink from a vast system of tube wells.

30.   Dangerous levels of arsenic have been found in the ground water, entering millions of people sip by sip as they drink from a vast system of tube wells.