Clots can block the flow of blood to the heart or brain and cause a heart attack or stroke.

VOA: special.2009.10.20

Hot weather also increases dangers for people who must take medicine for high blood pressure,poor blood flow, nervousness or depression.

VOA: special.2010.07.27

But,once the fire is out, the well still needs to be covered,or capped, to stop the flow of oil.

VOA: special.2009.03.22

You can change the flow of water so that the temperature is hot or warm as desired.

VOA: special.2009.04.20

Still,broken bones should be treated quickly because they can restrict blood flow or cause nerve damage.

VOA: special.2009.02.04

Stuttering causes sufferers to get stuck repeating or prolonging sounds, syllables or words that interrupt the normal flow of speech.

VOA: standard.2010.02.11

"As we're following the timber flow through countries like Singapore,Malaysia,Taiwan and China and back into the United States or Japan and European Union countries."

VOA: standard.2010.05.28

And until BP finds a way to stem the flow, no one can estimate the full effect of this disaster on BP, its shareholders,or employees.

VOA: standard.2010.06.18

Federal officials say stopping the oil flow could take weeks or even months.

VOA: standard.2010.05.02

"The new cap is good news." "Either we will be able to use it to stop the flow, or we will be able to use it to capture almost all of the oil until the relief well is done.

VOA: standard.2010.07.16