The researcher said that before the body begins to freeze, cold can cause changes in brain chemistry which lead to hallucinations.

VOA: special.2010.02.24

Too much cortisol and adrenalin can result in physical problems and changes that lead to stress-related sickness.

VOA: special.2009.03.24

When left untreated,however, it can lead to changes in a person's physical appearance and even death.

VOA: special.2010.07.06

Main message? Each one of us makes a difference every single day we impact the world around us and if we would just think about the consequences of the little choices we make what we eat,wear,buy, how we interact with people,animals, the environment then we start making small changes and that can lead to the huge change that we must have."

VOA: special.2009.11.18

Now he would just like to walk again. TBI can lead to physical disabilities as well as changes in mental ability, personality and behavior.

VOA: standard.2010.05.25

They say the changes excessively limit the rights of the individual and could lead to abuse.

VOA: standard.2009.09.10

But Iowa Democrat Alan Bohanan says he does not think that the deeply divisive issue will lead to significant changes in the House of Representatives.

VOA: standard.2010.03.25

But Masha Lipman from the Carnegie Endowment for International Peace in Moscow says she does not expect the protests will lead to significant changes in the Kremlin.

VOA: standard.2010.06.10