Palmeiro wants us to believe he has no idea how the foreign substance got into his system.

Marley did not know what to make of this foreign substance.

Anaphylaxis can be caused by the body's response to almost any foreign substance.

In 1926, he was suspended for 10 days after being caught with foreign substances on the mound.

I am, as you can see, covered in a foreign substance.

They were a foreign substance being introduced into its patient's body, you see.

The foreign substance in his body was trying to reassert itself.

"We're very confident all of those bats were clean and had no foreign substances in them."

Getting a foreign substance in the eye can be very painful.

To begin with they enter into the stomach as foreign substances.