There is a risk that giving a patient a strong blood thinner during a stroke can cause bleeding inside the brain.

VOA: special.2009.09.22

An extremely low body temperature can cause the heart to beat so slowly that a pulse may be difficult to find.

VOA: special.2009.12.30

The American Academy of Pediatrics says some poisons can cause additional damage when they come back up the throat.

VOA: special.2009.08.11

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

At the same time, doctors warn that acid in aspirin can cause bleeding in the stomach and intestines.

VOA: special.2009.10.20

But a drop in oxygen levels can cause a health emergency in people with heart or lung problems.

VOA: special.2009.07.14

Experts say even a two percent drop in the body's water supply can cause signs of dehydration.

VOA: special.2010.07.27

Although hot weather just makes most people feel hot, it can cause serious medical problems, even death.

VOA: special.2010.07.27

"Indiscriminate use of the product can cause side effects such as inflammation of the salivary glands, nausea,rashes,intestinal upset and possible severe allergic reactions.

VOA: special.2011.03.30

Mayo Clinic experts say the enlarged cells can cause a person to become sick or restless.

VOA: special.2010.07.27

And on the other hand, if the monsoon is particularly heavy it can cause extensive flooding.

VOA: special.2010.05.25

But experts say taking even small amounts over the suggested dose can cause liver damage.

VOA: special.2009.07.21

Many different diseases, conditions and injuries can cause chronic pain, from back problems to burns.

VOA: special.2010.05.04

But Legionella bacteria can cause a form of pneumonia in people with weakened immune systems.

VOA: special.2011.04.06