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

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

VOA: special.2009.10.20

It does not cause stomach problems or bleeding like aspirin, ibuprofen and some other drugs can.

VOA: special.2009.07.21

However, they can cause bleeding, and bone loss which can lead to osteoporosis later in life.

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While it might be tempting to try to reduce your own risk by popping these over-the-counter pain relievers, known as nonsteroidal anti-inflammatory drugs (NSAIDs), the researchers sound a note of caution: The pills can cause bleeding in your digestive tract.

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"This can lead to bleeding in different compartments and bleeding around the brain, " he said.

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