1.   A spokesman for the company denied reports that the new drug could cause heart attacks.

2.   But the alternative - to have him believing her poor showing had been caused by drugs, was equally untenable.

3.   By instigating a calcium deficiency inside the cells, the drugs cause muscles lining arterial walls to relax.

4.   Doctors say the drug causes body temperatures to rise so high that the central nervous system shuts down.

5.   In tests, the drug caused patients to have hallucinations.

6.   It is through changing them in a more fundamental way that the drugs cause addiction.

7.   The drug can cause drowsiness.

8.   The drug can cause hair loss.

9.   The drug can cause headaches.

10.   The drug can cause mood swings.